William de Montacute, 2nd Baron Montacute English peer (1280–1319) Parents Aufricia Simon de Montagu, 1st Baron Montagu Children Maud Montague Isabel Montague Hawise de Montagu Edward Montagu, 1st Baron Montagu Elizabeth Montague Alice Montague William Montagu, 1st Earl of Salisbury John de Montagu Katherine Montague Simon Montacute Siblings Isabella Montagu Partners Elizabeth Montacute