I have the Parish Registers for Market Bosworth, didn't find anything for Pickering.
But there were 4 Jacques children baptised in 1845 to a William and Mary Jacques:
Emma Jacques F CHR 26 JAN 1845 William Mary Age looks like 11, f gardener
Harriett Jacques F CHR 26 JAN 1845 William Mary Age 9, f gardener
William Jacques M CHR 26 JAN 1845 William Mary age 7, f gardener
Elizabeth Jacques F CHR 26 JAN 1845 William Mary
Many thanks