George and Harriet Dellaway had these children baptised at St John the Baptist, Croydon (same Church as Henry and Jane's daughter):
HARRIET DELLAWAY
Christening: 21 APR 1844 Saint John The Baptist, Croydon, Surrey
MARTHA DELLAWAY
Christening: 10 MAR 1850 Saint John The Baptist, Croydon, Surrey
GEORGE DELLAWAY
Christening: 29 AUG 1847 Saint John The Baptist, Croydon, Surrey
ALFRED DELLAWAY
Christening: 31 JUL 1853 Saint John The Baptist, Croydon, Surrey
JANE DELLAWAY
Christening: 26 APR 1846 Saint John The Baptist, Croydon, Surrey
Something you might take into consideration re the birth certificate: In 1861 there is a 7 year old Elizabeth Strudwick living in Ewell, Surrey, with parents Henry and Sarah. Her birthplace is Ewell, which comes under Epsom registration district.