Richard de Clare, 3rd Earl of Hertford Anglo-Norman nobleman and Welsh baron (1153–1217) Parents Roger de Clare, 2nd Earl of Hertford Maud de Saint Hilary Children Gilbert de Clare, 5th Earl of Gloucester Maud de Clare Richard de Clare Siblings Aveline de Clare, Countess of Essex Matilda de Clare Matilda d'Aubigny William d'Aubigny, 3rd Earl of Arundel Alice d'Aubigny Partners Amicia FitzWilliam