John Clanton sailed from London to Virginia on the Ship Abraham during October-November 1635.
Marmaduk [sic] Clanton sailed from England to Virginia in 1657.
This clearly indicates that Marmaduke was NOT the son of John, as many people with vivid imaginations have been posting on the Internet.
FOR JOHN CLANTON Database: Passenger and Immigration Lists Index, 1500s-1900s
Name Year Age Place of Arrival John Clanton 163526Virginia Source Information: Gale Research. Passenger and Immigration Lists Index, 1500s-1900s [database online]. Provo, Utah: MyFamily.com, Inc., 2005. Original data: Filby, P. William, edit. Passenger and Immigration Lists Index, 1500s-1900s. Farmington Hills, MI: Gale Research, 2003.
FOR MARMADUKE CLANTON Record of 20,000 very early immigrants, with much relevant information. Taken from Patent Books 1 through 5. Title page states, "In 5 volumes," but up to 1979 only three had appeared. See nos. 6221 and 6223 for second and third volumes, published in 1977 and 1979. Issued originally by Nugent in parts between 1929 and 1931; the parts were then largely incorporated in this work, no. 6220. Stewart, item no. 9025, compiled the article, "Ancient Planters ," pages xxviii-xxxiv. NUGENT, NELL MARION. Cavaliers and Pioneers: Abstracts of Virginia Land Patents and Grants, 1623-1666. Vol. 1. Richmond [VA]: Dietz Printing Co., 1934. 767p. Reprinted by Genealogical Publishing Co., Baltimore, 1983. 352