Member Information
| Full Name | ♂️ William Holland (de) -  |
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| Birth | #1 | Date of Birth | 1253 |
| Place of Birth | Upholland, Lancashire, England | ||
| Father | Thurston Earl of Lancaster de Holland | ||
| Mother | Margaret Anne (Anna) de Kellet | ||
| Siblings | ♀️ Margaret de Holland, ♂️ Roger Holland, ♀️ Elinor (Alianore de Holland Eleanore de Holand) de Holand, ♂️ Richard (Holand) de Holland, ♂️ Robert de Holland | ||
| Spouse | #1 | Name | Unknown |
| Children | ♂️ Sir William of Bolton, Lancashire de Hollande | ||
| Death | #1 | Date of death | 1314 |
| Place of death | Bolton, Lancashire, England UK | ||