He [Ralph de Cromwell] married, before 20 June 1366, Maud, sister and heir of William, who died 18 December 1360, and daughter of John BERNAKE (c), of Tattershall, by Joan, daughter and eventual coheir of John MARMION [LORD MARMION]. He died 27 August 1398. His widow died 10 April 1419. [Complete Peerage III:551-2 , XIV:224, (transcribed by Dave Utzinger)]
(c) He was son and heir of Sir William Bernake, by Alice, daughter and heir of Robert Driby and Joan, sister of Robert de Tateshale of Tattershall, and coheir to that family.