What king of England was the nephew of Ælfwig? 
Harold Godwinson
Title: Ælfwig (abbot)
Passage: Ælfwig (died 1066), was the abbot of New Minster, the uncle of Harold, and was probably the brother of Earl Godwine.
Title: Harold Godwinson
Passage: Harold Godwinson (  1022  – 14 October 1066), often called Harold II, was the last Anglo-Saxon king of England.  Harold reigned from 6 January 1066 until his death at the Battle of Hastings on 14 October, fighting the Norman invaders led by William the Conqueror during the Norman conquest of England.  His death marked the end of Anglo-Saxon rule over England.
Title: Humbert V de Beaujeu
Passage: Humbert V de Beaujeu (1198 – mid 1250) was Constable of France (1240) under King Louis IX.  He was maternal grandson of Baldwin V, Count of Hainaut and nephew of Isabelle of Hainaut, queen consort of king Philip II of France.  He married Marguerite de Baugé in 1219 and had six children.  He participated in the Albigensian Crusade under king Louis VIII of France.  In 1226, he was made royal governor of Languedoc, which had been added to royal domain.  In 1232 he went to Constantinople to visit his nephew, the Latin Emperor Baldwin II of Courtenay.  In 1248, he embarked on the Seventh Crusade to Egypt and laid siege to the city of Mansoura.  In Mansoura, the king's younger brother, Robert I, Count of Artois, died on February 8, 1250.  After leaving Egypt, he died in Syria sometime between May 21 and August 1, 1250 (sources differ).
Ælfwig (abbot) Harold Godwinson