Based on information at Wikipedia and Hull University

@prefix bio: <http://purl.org/vocab/bio/0.1/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

_:henryviii
  a foaf:Person
  ; foaf:name "Henry VIII, King of England"
  ; bio:father _:henryvii
  ; bio:mother _:elizplantagenet
  ; bio:child _:child1, _:child2, _:child3, _:child4, _:child5, _:child6, _:child7, _:child8
  ; bio:birth _:birth
  ; bio:death _:death
  ; bio:event _:burial, _:accession, _:coronation, _:marriage1
            , _:marriage2, _:marriage3, _:marriage4, _:marriage5, _:marriage6
  .

_:henryvii
  a foaf:Person
  ; foaf:name "Henry VII Tudor, King of England"
  ; bio:child _:henryviii
  .

_:elizplantagenet
  a foaf:Person
  ; foaf:name "Elizabeth of York"
  ; bio:child _:henryviii
  .
  
_:birth
  a bio:Birth
  ; rdfs:label "The birth of Henry VIII to Henry VII and Elizabeth Plantagenet on 28 June 1491"
  ; bio:date "1491-06-28"
  ; bio:place <http://dbpedia.org/resource/Palace_of_Placentia>
  ; bio:parent _:henryvii, _:elizplantagenet
  ; bio:principal _:henryviii
  .

_:death
  a bio:Death
  ; rdfs:label "The death of Henry VIII on 28 January 1547"
  ; bio:date "1547-01-28"
  ; bio:place <http://dbpedia.org/resource/Palace_of_Whitehall>
  ; bio:principal _:henryviii
  .
  

_:accession
  a bio:Accession
  ; rdfs:label "The accession of Henry VIII to the throne of England on 21 April 1509"
  ; bio:date "1509-06-24"
  ; bio:principal _:henryviii
  ; bio:state <http://dbpedia.org/resource/Kingdom_of_England>
  ; bio:immediatelyPrecedingEvent [ a bio:Death
                                    ; rdfs:label "The death of Henry VII on 9 May 1509"
                                    ; bio:date "1509-05-09"
                                    ; bio:place <http://dbpedia.org/resource/Richmond_Palace>
                                    ; bio:principal _:henryvii
                                  ]
  .

_:coronation
  a bio:Coronation
  ; rdfs:label "The coronation of Henry VIII as King of England on 24 June 1509"
  ; bio:date "1509-06-24"
  ; bio:place <http://dbpedia.org/page/Westminster_Abbey>
  ; bio:principal _:henryviii
  ; bio:precedingEvent _:accession
  .

_:burial
  a bio:Burial
  ; rdfs:label "The burial of Henry VII at St.George's Chapel, Windsor Castle,England"
  ; bio:place <http://dbpedia.org/resource/St_George%E2%80%99s_Chapel%2C_Windsor>
  ; bio:principal _:henryviii
  ; bio:precedingEvent _:death
  .

_:marriage1
  a bio:Marriage
  ; rdfs:label "The marriage of Henry VIII and Catherine of Aragon"
  ; bio:date "1509-06-11"
  ; bio:place <http://dbpedia.org/resource/Palace_of_Placentia>
  ; bio:partner _:henryvii, _:catharagon
  .

_:annulment1
  a bio:Annulment
  ; rdfs:label "The annulment of the marriage between Henry VIII and Catherine of Aragon"
  ; bio:date "1533-05-23"
  ; bio:partner _:henryvii, _:catharagon 
  ; bio:officiator <http://dbpedia.org/resource/Thomas_Cranmer>
  .

_:catharagon
  a foaf:Person
  ; foaf:name "Anne Boleyn"
  ; bio:child _:child1, _:child2, _:child3, _:child4, _:child5
  ; bio:event _:marriage1, _:annulment1
  .

_:child1
  a foaf:Person
  ; rdfs:label "Unnamed daughter of Henry VIII and Catherine of Aragon"
  ; bio:event [ a bio:Birth
                ; bio:date "1510-01-31"
                ; bio:principal _:child1
                ; bio:parent _:henryviii, _:catharagon
              ]
  ; bio:event [ a bio:Death
                ; bio:date "1510-02-02"
                ; bio:principal _:child1
              ]
  .

_:child2
  a foaf:Person
  ; foaf:name "Henry"
  ; bio:event [ a bio:Birth
                ; bio:date "1511-01-01"
                ; bio:principal _:child2
                ; bio:parent _:henryviii, _:catharagon
              ]
  ; bio:event [ a bio:Death
                ; bio:date "1511-02-22"
                ; bio:principal _:child2
              ]
  .
  
_:child3
  a foaf:Person
  ; foaf:name "Henry"
  ; bio:event [ a bio:Birth
                ; bio:date "1514-12"
                ; bio:principal _:child3
                ; bio:parent _:henryviii, _:catharagon
              ]
  ; bio:event [ a bio:Death
                ; bio:principal _:child3
              ]
  .

_:child4
  a foaf:Person
  ; foaf:name "Mary"
  ; bio:event [ a bio:Birth
                ; bio:date "1516-02-18"
                ; bio:principal _:child4
                ; bio:parent _:henryviii, _:catharagon
              ]
  ; bio:event [ a bio:Death
                ; bio:date "1558-11-17"
                ; bio:principal _:child4
              ]
  .


_:child5
  a foaf:Person
  ; rdfs:label "Unnamed daughter of Henry VIII and Catherine of Aragon"
  ; bio:event [ a bio:Birth
                ; bio:date "1518-11"
                ; bio:principal _:child5
                ; bio:parent _:henryviii, _:catharagon
              ]
  ; bio:event [ a bio:Death
                ; bio:principal _:child5
              ]
  .
  

_:marriage2
  a bio:Marriage
  ; rdfs:label "The marriage of Henry VIII and Anne Boleyn"
  ; bio:date "1533-01-25"
  ; bio:partner _:henryvii, _:anneboleyn
  ; bio:place <http://dbpedia.org/resource/Westminster_Abbey>
  .

_:anneboleyn
  a foaf:Person
  ; foaf:name "Anne Boleyn"
  ; bio:child _:child6
  ; bio:event _:marriage2, _:annulment2, _:anneboleyn-death
  .

_:annulment2
  a bio:Annulment
  ; rdfs:label "The annulment of the marriage between Henry VIII and Anne Boleyn"
  ; bio:date "1536-05-17"
  ; bio:partner _:henryvii, _:anneboleyn 
  .
  
_:anneboleyn-death
  a bio:Execution
  ; rdfs:label "The beheading of Anne Boleyn"
  ; bio:date "1536-05-19"
  ; bio:place <http://dbpedia.org/resource/Tower_of_London>
  ; bio:principal _:anneboleyn
  .

_:child6
  a foaf:Person
  ; foaf:name "Elizabeth"
  ; bio:event [ a bio:Birth
                ; bio:date "1533-09-07"
                ; bio:principal _:child6
                ; bio:parent _:henryviii, _:anneboleyn
              ]
  ; bio:event [ a bio:Death
                ; bio:date "1603-03-24"
                ; bio:principal _:child6
              ]
  .

_:marriage3
  a bio:Marriage
  ; bio:date "1536-05-20"
  ; bio:partner _:henryviii, _:janeseymour
  ; bio:place <http://dbpedia.org/resource/York_Place>
  .

_:janeseymour
  a foaf:Person
  ; foaf:name "Jane Seymour"
  ; bio:event _:marriage3, _:janeseymour-death
  ; bio:child _:child7
  .

_:janeseymour-death
  a bio:Death
  ; rdfs:label "The death of Jane Seymour on 24 October 1537"
  ; bio:date "1537-10-24"
  ; bio:principal _:janeseymour
  ; bio:place <http://dbpedia.org/resource/Hampton_Court_Palace>
  .
  

_:child7
  a foaf:Person
  ; foaf:name "Edward"
  ; bio:event [ a bio:Birth
                ; bio:date "1537-10-12"
                ; bio:principal _:child7
                ; bio:parent _:henryviii, _:janeseymour
                ; bio:place <http://dbpedia.org/resource/Hampton_Court_Palace>
              ]
  ; bio:event [ a bio:Accession
                ; bio:immediatelyPrecedingEvent _:death
              ]
  ; bio:event [ a bio:Death
                ; bio:date "1553-07-06"
                ; bio:principal _:child7
                ; bio:place <http://dbpedia.org/resource/Palace_of_Placentia>
              ]
  .

_:marriage4
  a bio:Marriage
  ; bio:date "1540-01-06"
  ; bio:partner _:henryvii, _:annecleves
  ; bio:place <http://dbpedia.org/resource/Palace_of_Placentia>
  ; bio:officiator <http://dbpedia.org/resource/Thomas_Cranmer>
  .
    
_:annulment3
  a bio:Annulment
  ; rdfs:label "The annulment of the marriage between Henry VIII and Anne of Cleves"
  ; bio:date "1540-07-09"
  ; bio:partner _:henryviii, _:annecleves
  .

_:annecleves
  a foaf:Person
  ; foaf:name "Anne of Cleves"
  ; bio:event _:marriage4, _:annulment3
  .

_:marriage5
  a bio:Marriage
  ; bio:date "1540-07-28"
  ; bio:partner _:henryviii, _:cathhoward
  ; bio:place <http://dbpedia.org/resource/Oatlands_Palace>
  .
  
_:cathhoward
  a foaf:Person
  ; foaf:name "Catherine Howard"
  ; bio:event _:marriage5, _:cathhoward-death
  .
  
_:cathhoward-death
  a bio:Execution
  ; rdfs:label "The beheading of Catherine Howard"
  ; bio:date "1542-02-13"
  ; bio:place <http://dbpedia.org/resource/Tower_of_London>
  ; bio:principal _:cathhoward
  .

_:marriage6
  a bio:Marriage
  ; rdfs:label "The marriage between Henry VIII and Catherine Parr"
  ; bio:date "1543-07-12"
  ; bio:place <http://dbpedia.org/resource/Hampton_Court_Palace>
  ; bio:partner _:henryviii, _:cathparr
  .
  
_:cathparr
  a foaf:Person
  ; foaf:name "Catherine Parr"
  ; bio:event _:marriage6
  .


_:elizblount
  a foaf:Person
  ; foaf:name "Elizabeth Blount"
  ; bio:child _:child8
  .
  
_:child8
  a foaf:Person
  ; foaf:name "Henry FitzRoy"
  ; foaf:mother _:elizblount
  ; foaf:father _:henryviii
  ; bio:event [ a bio:Birth
                ; bio:principal _:child8
                ; bio:date "1519-06-15"
                ; bio:parent _:henryviii, _:elizblount
                ; bio:place <http://dbpedia.org/resource/Blackmore>
                ]
  .

_:marriage1-interval
  a bio:Interval
  ; rdfs:label "The period of time during which Henry VIII and Catherine of Aragon were married"
  ; bio:initiatingEvent _:marriage1
  ; bio:concludingEvent _:annulment1
  .

_:marriage2-interval
  a bio:Interval
  ; rdfs:label "The period of time during which Henry VIII and Anne Boleyn were married"
  ; bio:initiatingEvent _:marriage2
  ; bio:concludingEvent _:annulment2
  .
  
_:marriage3-interval
  a bio:Interval
  ; rdfs:label "The period of time during which Henry VIII and Jane Seymour were married"
  ; bio:initiatingEvent _:marriage3
  ; bio:concludingEvent _:janeseymour-death
  .

_:marriage4-interval
  a bio:Interval
  ; rdfs:label "The period of time during which Henry VIII and Anne of Cleves were married"
  ; bio:initiatingEvent _:marriage4
  ; bio:concludingEvent _:annulment3
  .

_:marriage5-interval
  a bio:Interval
  ; rdfs:label "The period of time during which Henry VIII and Catherine Howard were married"
  ; bio:initiatingEvent _:marriage5
  ; bio:terminatingEvent _:cathhoward-death
  .

_:marriage6-interval
  a bio:Interval
  ; rdfs:label "The period of time during which Henry VIII and Catherine Parr were married"
  ; bio:initiatingEvent _:marriage6
  ; bio:terminatingEvent _:henryviii-death
  .