 Foliot spent most of his tenure of office in his diocese , only rarely attending the royal court or being assigned governmental duties . On 30 December <unk> , Foliot assumed one of those duties , when he took custody of Hereford Castle after it was surrendered by Hubert de <unk> , during the <unk> of royal castles when de <unk> ousted des Roches from power . He also was appointed to determine the size of the royal forest in Gloucestershire . Foliot also founded a hospital in <unk> , devoted to St Katherine . He helped found <unk> Priory , a house of the <unk> order . In his cathedral , he reorganised the <unk> and offices of the chapter , as well as <unk> further <unk> . 
