Family: Count William I. of Holland / Adelaide of Guelders (F7478)
Count Florent III of Holland, Earl of Ross (1140-1190) 
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Ada de Huntingdon (1146- )
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| Count Dirk VII of Holland ( -1203) |
| Otto I. of Guelders, Count (1150- )
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| Count of Guelders (1175- ) |
| Count William I. of Holland (1165-1224)
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| Adelaide of Guelders (1170-1218)
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Count Florent IV of Holland ( -1235)  |
