Sydney was the illegitimate son of Alice Martha Andrew b. 5 Dec 1905 (father not stated). He was 'adopted' by Alice's sister Sarah Maria and her husband Charles Williams who had just lost a child. (Christopher Long)
After adopting Sydney, Sarah and Charles Williams had four children. Sydney is recorded as part of the family in the 1911 census for Glanrhiew, New Mills, Newtown (Christopher Long).