They were married in Bombay (now Mumbai), Maharashtra.
They had three sons.
John R Dalrymple Kidd b. 1936 Banstead, Surrey, m. Sheila Ann Luckham
Simon George Crozier Kidd b. 1938 and m. 1964 Diana Harcourt
Rupert G. C. Kidd b. 1938. (according to the England and Wales birth index he was born in the same quarter of 1938 as his brother Simon)