The connection with Dudley and the Paynell family suggests that John de Somery may have been the son of Ralph [I] de Somery, who witnessed the foundation charter of Dudley priory. 1
Marriage Information:
John married Hawise Paynel, heiress of Dudley, daughter of Ralph Paynel, Lord of Dudley, and Hawise de Ferrers. (Hawise Paynel died after 1210.)
Sources
1 Foundations for Medieval Genealogy, Medlands, John de Somery.