Wedding celebration fourth wife married to Henry VIII held? Son finds Henry's daughter beheaded (11)
Wedding celebration = Def
fourth = IV
fourth wife of Henry VIII was = ANNE (of cleves)
married to = joined
Henry VIII = R (king)
held = IV held by Anne + r
son = S
Henry's daughter = (M)ARY (beheaded -M) (Henry VIII's daughter was Queen Mary I)
(Ann(IV)e+r)+s+ary