He was christened on 13 Jan 1622 at Rochdale, Lancashire, England. [1] and his parents were Anne Maria (Lee) and Robert Jenkinson.
Robert Jenkinson married Mary Bankes.
Sir Robert Jenkinson of Walcot was 1st Baronet
Lineage
Sir Robert Jenkinson, 1st Baronet (c1621-1677)
Sir Robert Jenkinson, 2nd Baronet (c1654-1710)
Sir Robert Jenkinson, 3rd Baronet (1685-1717)
Sir Banks Jenkinson, 4th Baronet (1687-1738)
Sir Robert Jenkinson, 5th Baronet (1720-1766)
Sir Banks Jenkinson, 6th Baronet (1721-1790)
Sir Charles Jenkinson, 7th Baronet (1729-1809)
(created first Earl of Liverpool in 1796)
Robert Jenkinson, 2nd Earl of Liverpool (1770-1828)
Charles Jenkinson, 3rd Earl of Liverpool (1784-1851)
Jenkinson Baronets of Walcot and Hawkesbury (1661; reverted)
Sir Charles Jenkinson, 10th Baronet (1779-1855)
Sir George Jenkinson, 11th Baronet (1817-1892)
Sir George Jenkinson, 12th Baronet (1851-1915)
Sir Anthony Jenkinson, 13th Baronet (1912-1989)
Sir John Banks Jenkinson, 14th Baronet (b: 1945)
Sources
↑ "England Births and Christenings 1538-1975" on FamilySearch database (https://familysearch.org/ark:/61903/1:1:NRSV-F2N : 30 Dec 2014) citing index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL#990,051 & #599,772; for Robert Jenkinson, christened: 13 Jan 1622 Rochdale, Lancashire, England (father: Robert Jenkinson)