William I Count der Holland
He was an only child. He died in 1222.
William I Count der's family
He had a biological son named
Floris IV Count der
.
Children
Floris IV Count der Holland
Floris IV Count der was born on June 24th, 1210. He died at the age of 24 on July 19th, 1234.
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Floris IV Count der Holland
Floris IV Count der Holland