Father: Baron Thurstan of Holland Born: 1222 in Upholland, Lancashire, England Married: Unknown Died: 1275
Mother: Lady Margaret of Kellet Born: 1225 Died: 1283
Children: 1. Baron Roger of Holland (b.1250) 2. Baron Adam of Holland (b.1251) 3. Baron Robert of Holland (b.1253) 4. Lady Margaret of Holland (b.1255) 5. Sir Richard of Holland (b.1257) 6. Sir William of Holland (b.1261)