Father: Baron William I of Percy Born: 1042 Married: Unknown Died: 1096
Mother: Lady Emma of Port Born: 1044 Died: 1103
Children: 1. Baron Alan II of Percy (b.1069) 2. Sir Walter of Percy (b.1071) 3. Sir William of Percy (b.1072) 4. Sir Richard of Percy (b.1075)
