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In page Gerard (archbishop of York):

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Gerard was the nephew of Walkelin, Bishop of Winchester, and Simon, Abbot of Ely.[1] His parents were Osbert and Anna,[2] and his brother Peter was also a royal clerk.[3] Where he was born and raised is unknown; he is documented as cantor of Rouen Cathedral,[4] and precentor of the same cathedral, although the date of his appointment to either office is unrecorded.[4] By 1091 he had become archdeacon of Rouen.[4] He served in the royal chancery under successive kings of England, William I and William II.[4]