[2] Cass married Martha Potter of Ponder's End on 13 March 1823[3] and the couple had a son Frederick Charles Cass, born at Beaulieu Lodge on 4 September 1824,[4] who was rector of the parish of Monken Hadley in north London and a distinguished local historian.
[5] Another of their sons, Arthur Herbert Cass, was a Major in the 10th Royal Hussars and fought in the Battle of Chernaya during the Crimean War.
[1] A funerary hatchment to his memory exists in St Mary the Virgin church, East Barnet.
Frederick Cass was able to leave an annuity of £1,000 per annum to his wife on his death and the sums of £10,000 each to his sons' marriage settlements.
[1] The Good Shepherd Window at St Mary the Virgin church in Monken Hadley was placed in memory of Martha by her son Frederick.