In the the July to September 1909 birth index Eric Arthur R. Symondson, Kingston, Surrey, volume 2a, page 455

Parish Records Christ Church, New Malden and Coombe, Surrey
Baptism September 5, 1909 Eric Arthur Raymond Symondson, parents Percy Claud Symondson and Florence Emily Symondson, abode 4 Melrose Terrace, father is a Solicitor’s Clerk.

In the 1911 census 8 Albany Rd New Malden, Kingston, Surrey.
Head Percy Claude Symondson, married, age 29, Law Clerk, born Hounslow, Middlesex.
Wife Florence Emily Symondson, married 5 years, age 28, born at Tooting, London.
Son Cyril Claude Henry Symondson, age 4, born Tooting.
Daughter Vera Florence Ena, age 3 born Tooting.
Son Eric Arthur Raymond Symondson, age 1, born New Malden, Surrey.

Parish Records, St Anne, Wandworth
Eric Arthur Raymond Symondson, 20 Rosehill Road, buried January 21, 1927, age 17

In the January to March 1927 death index Eric A. R. Symondson, age 17, Wandsworth, Greater London, volume 1d, page 590.