Robinson differs with Cawley (LORDS BREWOSE regarding children assignments to this William's wives. Cawley assigns them all to 3d wife Mary de Ros, Baroness Brewose . Robinson (Magna Carta Ancestry v.1) split the children among William's three wives:
Child of William de Brewes, Knt., by Aline de Multon:
i. WILLIAM DE BREWES, Knt., 2nd Lord Brewes [see next].
Child of William de Brewes, Knt., by Agnes de Moels:
i. GILES DE BREWES, Knt., of Buckingham, Buckinghamshire, married (15t) BEATRICE DE SAINT HELEN (see FROME 5]:180 (2nd) MAUD DE WHITNEY [see FROME 5].181
Children of William de Brewes, Knt., by Mary de Roos:
i. PETER DE BREWES, Knt., of Tetbury, Gloucestershire, married AGNES DE CLIFFORD [see TETBURY 5].182
ii. MARGARET DE BREWES, married RALPH DE CAMOYS, Knt., Lord Camoys [see CAMOYS 6].