[jweber.ged]
Robert (Sir), of Letheringham; knighted 1426, MP Suffolk 1428/9; married Elizabeth (married 2nd 1431 William de Hardwicke, of Hardwicke Hall, Derbys), daughter and coheir of Sir Robert Goushill, of Heveringham, Notts, by Lady Elizabeth FitzAlan, daughter of 11th/14th Earl of Arundel and widow of Thomas Mowbray, 1st Duke of Norfolk of the 1397 creation, and died 1431. [Burke's Peerage]
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Elizabeth Goushill, born c1402; married Sir Robert Wingfield, Knight, died 1451, MP for Suffolk 1427/8, of Letheringham; attended the Duke of Norfolk's embassy to France 1447. [Magna Charta Sureties]
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Note: The death date 1431/1451 disagreement between Burke's and MCS doesn't seem to be just a misprint. Burke's has another marriage by his widow Elizabeth in 1431 and MCS has other children born after 1431 to Robert, such as Sir Henry Wingfield, born c1433/4 (line 21-10).