i. "Nottinghamshire, England, Extracted Church of England Parish Records, 1538-1837," online database, ancestry.com; Page accessed 18 Apr 2020), marriage entry for William Blacknell & Anne Pecke, 16 Feb 1646.; [Source Record]; Certainty Secondary Evidence
ii. "England & Wales Marriages, 1538-1988," online database, ancestry.com; Page accessed 18 Apr 2020), marriage entry for William Blacknell & Katherine Pecke; citing Place: Lowdham, Nottinghamshire, England; Date Range: 1629 - 1660; Film Number: 95038.; [Source Record]; Certainty Secondary Evidence