Here are the details from the lds site with parents Daniel and Hannah Lock
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1. SARAH LOCK - International Genealogical Index
Gender: Female Christening: 17 AUG 1794 Sunbury On Thames, London, England
2. ANN LOCK - International Genealogical Index
Gender: Female Christening: 05 OCT 1800 Sunbury On Thames, London, England
3. HANNAH LOCK - International Genealogical Index
Gender: Female Christening: 21 NOV 1813 Sunbury On Thames, London, England
4. RICHARD LOCK - International Genealogical Index
Gender: Male Christening: 23 OCT 1808 Sunbury On Thames, London, England
5. GEORGE LOCK - International Genealogical Index
Gender: Male Christening: 01 MAY 1796 Sunbury On Thames, London, England
6. JOHN LOCK - International Genealogical Index
Gender: Male Christening: 12 JUN 1803 Sunbury On Thames, London, England
7. DANIEL LOCK - International Genealogical Index
Gender: Male Christening: 30 SEP 1798 Sunbury On Thames, London, England
8. WILLIAM LOCK - International Genealogical Index
Gender: Male Christening: 14 JUL 1805 Sunbury On Thames, London, England
9. THOMAS LOCK - International Genealogical Index
Gender: Male Christening: 18 AUG 1811 Sunbury On Thames, London, England
Hope these help
Nicky