"England Births and Christenings, 1538-1975," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/NBGF-WY2), Richard Griste in entry for Christopher Griste, 12 Jan 1701; citing Laycock, Wiltshire, England, reference item 9; FHL microfilm 1,279,307.