Maj. Gen. Sir John Ponsonby, K.C.B., D.M.G., D.S.O.
1866 - 1952 (86 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Maj. Gen. Sir John Ponsonby, K.C.B., D.M.G., D.S.O. [1] b. 25 Mar 1866 d. 26 May 1952
- + Lady Mary Robley b. 3 Jul 1901 d. 18 Apr 2003
- + Lady Mary Robley b. 3 Jul 1901 d. 18 Apr 2003