This is an image of a page from the parish records of Compton, Surrey, giving the details of Henry's Baptism. Henry is the 2nd record from bottom on the page. It is the proof we have sort, that Henry was the son of Henry and Emma Simmonds. The Baptism date is 11th January 1852, which means he was probably born in December 1851.
Henry Simmonds 1851 baptism details