Cerdic was born before 495 and died in 534. King of the West Saxons 519-534, was a Saxon earldorman who founded a settlement on the coast of Hampshire, England in 495, assumed the title of King of the West Saxons in 519, and became ancestor of the English royal line.
"AD 495. This year came two leaders into Briain, Cerdic and Cynric, his son, with five ships....
519. This year Cerdic and Cynric undertook the government of the West Saxons; the same year they fought with the Britons at a place called Charford. From that day they have reigned the children of the West Saxon kings.
530. They conquered the isle of Wight.
532. Crowned at Winchester Cathedral.
534. This year died Cerdic, the first king of the West Saxons. Cynric his son succeeded to the government, and reigned afterwards twenty six winters."
(Anglo-Saxon Chronicles)
"The Royal Line" chart has Cerdic going back to Zarah, son of Judah of the Bible.