Member Information
| Full Name | ♂️ Robert de Holland -  |
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| Father | Robert III de Holland, 2nd lord of Holland, Knight | ||
| Mother | Isabelle or Elizabeth Countess Of Hainaut d'Avesnes | ||
| Siblings | ♀️ Jane Holand, ♀️ Margaret Hollande | ||
| Spouse | #1 | Name | |
| Children | ♀️ Maud de Holland | ||
| Death | #1 | Date of death | BEF 1373 |