This and other posts are based on the original Centenarians in Debrett’s post: https://groups.google.com/g/peerage-news/c/BnzgmTjyWlE/m/wmnFfF_OAgAJ
I hope they add something to what has previously been posted, but apologies in advance if I’ve missed a post which makes this one redundant!
He was s of Frederick Edward PAKENHAM 1869-1923 (2xgt gs of 1st Baron LONGFORD 1713-66 h of the [1st] Countess of LONGFORD 1719-94 and f of 2nd Earl) and Nancy Jane YOUMANS 1884-1940. He m 1st 1943 (div 1954) Mona May MORRIS and had a son. He m 2nd 1955 Marjorie Jane d of Duncan Reid WILSON, and had a further son.