Derek Henry Parker-Bowles
Derek Henry was born on December 18th, 1915.  He died at the age of 62 in 1977.

 Anne Trafford
Anne was born on July 14th, 1918.  She died at the age of 69 in 1987.

 Andrew Henry Parker-Bowles
Andrew Henry was born on December 27th, 1939.  He died in Living.