67125576. Count JOHN I D'AVENES died in 1256 in Hainaut - inherited from mother. He has reference number 1343. He was born in Hainaut -.
67125577. Adelaide of
HOLLAND died in 1284. She has reference number 1344. She was born
in Holland. Children were:
33562788 i.
Count JOHN II D'AVENES Count of Holland.