Ancestry of
Theodore Roosevelt

26th U.S. President

Sioert Olfertsen

View famous kin of Sioert Olfertsen

• • 5th Great-grandfather of Theodore Roosevelt — 8th Generation
  • Ahnentafel No:
  • 132 
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  • Itie Roelofs
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  Olfert Sioerts (Ahnentafel No:66 )

• Additional marriages for Sioert Olfertsen

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  • Spouse:
  • Heyltje Pieters
  • Marriage Date:
  • 26 Sep 1697
  • Marriage Location:
  • Reformed Dutch Church, New Amsterdam (now New York)

• Sources for Sioert Olfertsen

  • ¹ New York Genealogical and Biographical Record, Jan 1880, Vol. 11, Iss. 1, Page 35.
  • ² Valentine, D. T., Manual of the Corporation of the City of New York, 1862, New York: Edmund Jones and Company, Printers (1862), 615.
  • ³ Whittelsey, Charles Barney, The Roosevelt Genealogy 1649-1902, Hartford, Connecticut: J. B. Burr and Company (1902), 11.
  • ⁴ Witcraft, John R., comp., Cornelius Jansen Clopper and his Descendants, Merchantville, New Jersey: unknown (1912), 2.