No baptisms, for him and his younger siblings found in all Bethnal Green/London C.of E. records
1857. William John Parchment Born Bethnal Green Sep 1857. 2nd child of William Parchment & Charlotte Bennett, silkweavers from Braintree.
1861C. William Parchment, aged 3, living with his parents and 2 siblings at Pleasant Place, Bethnal Green
1871C. Aged 14, broad silk weaver, living at 7 East St., with his parents and 4 siblings
1874. His mother, Charlotte, dies, 27/12/1874, aged 42 at 38 Moss St.,Bethnal Green. Have d.c.DP3. William aged 17.
As far as I know he did not marry.
Probably died Jun 1880 Parchment William aged 23 Mile End 1c 336