He [John Clifton] m., before 6 Id Jan 1431/2, when they had a Papal indult, Joan, widow of Sir Robert Echingham, daughter and coheir of Edmund Thorpe, of Ashwellthorpe. He dsps. 1447, before 1 Dec (when his widow was living), and was buried at Wymondham, Norfolk. [Complete Peerage III:308]