Here is a list of the patriarchs of the C_mper "clans" about which I have data.
Henry Cumper ~1608 Pulborough, Sussex
Abraham Comper ~1680 W Chiltington, Sussex
Abraham Cumper ~1760 Cranley, Surrey
Henry Cumper ~1770 Thakeham,
Sussex (my clan)
George Comper ~1786 Pulborough, Sussex
William Comper ~1790 Middlesex, ENG
James
Cumper ~1794 Sussex, ENG
James Cumper ~1803 Sompting, Sussex
James Comper ~1805 Horsham, Sussex
Richard Cumper ~1813 Bedminister, Somerset
George Comper ~1834 Sydenham, Kent
William Cumper ~1834 Reigate, Surrey
William Cumper ~1840 Eton, Buchinghamshire
George Cumper ~1848 Chepstow, Wales
William Cumper ~1851 Chepstow, Wales
Henry Thomas Comper !1853 Pulborough, Sussex
? Cumper ~1853 ? Essex
Frederick Cumper ~1857 ? ENG
Alfred Comper ~1868 Northwood, Middlesex
Charles Cumper ~1865 Chepstow, Wales
? Cumper ~1881 Staffordshire, ENG
Abraham Cumper ~1884 Surrey, ENG
Charles Cumper ~1890 Chepstow, Wales
and more to be added later!