On 06 Nov 1884 [his grandfather] George Henry Vane-Tempest 5th Marquess Londonderry (age 63) died. His son [his father] Charles Stewart Vane-Tempest-Stewart 6th Marquess Londonderry (age 32) succeeded 6th Marquess Londonderry. [his mother] Theresa Susey Helen Chetwynd-Talbot Marchioness Londonderry (age 28) by marriage Marchioness Londonderry.

On 08 Feb 1915 [his father] Charles Stewart Vane-Tempest-Stewart 6th Marquess Londonderry (age 62) died. His son Charles Vane-Tempest-Stewart 7th Marquess of Londonderry (age 36) succeeded 7th Marquess Londonderry. Memorial at St Mary's Church, Long Newton [Map].

On 16 Mar 1919 [his mother] Theresa Susey Helen Chetwynd-Talbot Marchioness Londonderry (age 62) died. Memorial at St Mary's Church, Long Newton [Map].

On 29 May 1923 [his father-in-law] Henry Chaplin 1st Viscount Chaplin (age 82) died. He was buried at St Oswald's Church, Blankney next to his wife. His son [his brother-in-law] Eric Chaplin 2nd Viscount Chaplin (age 45) succeeded 2nd Viscount Chaplin of Saint Oswald's in Blankney in Lincolnshire. Gwladys Alice Wilson Viscountess Chaplin (age 42) by marriage Viscountess Chaplin of Saint Oswald's in Blankney in Lincolnshire.

Eric Chaplin 2nd Viscount Chaplin: On 27 Sep 1877 he was born to Henry Chaplin 1st Viscount Chaplin and Florence Sutherland Leveson-Gower. On 03 Aug 1905 Eric Chaplin 2nd Viscount Chaplin and Gwladys Alice Wilson Viscountess Chaplin were married at Warter Hall aka Priory. On 12 Sep 1949 Eric Chaplin 2nd Viscount Chaplin died. His son Anthony Chaplin 3rd Viscount Chaplin succeeded 3rd Viscount Chaplin of Saint Oswald's in Blankney in Lincolnshire. Alvilde Bridges Viscountess Chaplin by marriage Viscountess Chaplin of Saint Oswald's in Blankney in Lincolnshire.

Gwladys Alice Wilson Viscountess Chaplin: In 1881 she was born to Charles Henry Wilson 1st Baron Nunburnholme and Florence Jane Helen Wellesley Baroness Nunburnholme. In 1971 Gwladys Alice Wilson Viscountess Chaplin died.

On 24 Feb 1938 [his son-in-law] Terence Plunket 6th Baron Plunket (age 38) and [his illegitimate daughter] Dorothé Mabel Lewis (age 38) died in a plane crash. They were bound for the Hearst ranch at San Simeon, now known as Hearst Castle. In the coastal fog surrounding the airstrip on the ranch, the pilot overshot the field by nearly a mile and a half. One wing struck the ground, causing the plane to burst into flames and crash. James Lawrence was the only survivor, having been thrown clear of the plane. He suffered burns and a broken ankle. Her son Patrick Plunket 7th Baron Plunket (age 14) succeeded 7th Baron Plunket of Newtown in County Cork.

On 11 Feb 1949 Charles Vane-Tempest-Stewart 7th Marquess of Londonderry (age 70) died. His son [his son] Edward Vane-Tempest-Stewart 8th Marquess of Londonderry (age 46) succeeded 8th Marquess Londonderry.

On 23 Apr 1959 [his former wife] Edith Chaplin Marchioness Londonderry (age 80) died.