Marriage certificate of Charles & Margaret would be useful.....
Kate's son died in 1982.
Deaths Dec 1982
HICKS FRANK WILLIAM E 8JE1906 I O W 20 1966
Would be worth Caitie777 trying to find descendants. Address on probate 26 Colombus Hse, Sandown Road, Shanklin.
A quick browse of freebmd shows that Frank married in 1932, had a son born 1943 who married in 1983, 2 daughters born I O W 1984, 1985. Who knows they may be interested in hearing from descendants of Kate's sister.
ADDED: I have pm'ed Caitie with names.