1860 US Census lists Benjamin, Elizabeth and family in Washington Twp., Van Buren, IA.

Benjamin most likely was born in PA; census' list PA; and that both his parents were also born there. He is of German descent.
From his marriages to ‏(1)‏ Elizabeth: ‏(6 children)‏ and ‏(2)‏ Mary: ‏(5 children, 2 died in infancy, Charlie died in his 20's)‏. Benjamin had a total of eleven children, plus two who died in infancy. He also had two stepchildren from Mary Elizabeth's first marriage to Johnson W. Jordan. Including all of the above children, Benjamin had a total of 15 children!

Source: ancestry.com family trees, 9-30-15

Benjamin Franklin Syfert 1821-1908
SYFERT, WARNER, LOOFBOURROW, GREAVES, JORDON, KISLING
Posted By: Volunteer - Rich Lowe
Date: 5/30/2007 at 14:54:34
Benjamin Franklin Syfert - Born PA September 11, 1821 and died April 21, 1908, age 86 years, 7 months, 10 days. When a small boy moved with parents to Fairfield Co., OH. Here he married Miss Elizabeth Warner. Seven children born, 2 girls, 5 boys: Mrs. Mary Catherine Loofbourrow of Fairfield, IA; Mrs. Sarah Ellen ‏[Grieves]‏ Greaves of Tonapah, NV; George F. of Bonaparte; Joseph Talbot of Bentonsport; Thomas Edward of Birmingham, all are living. Isaac Parker died in 1879; Simon died in infancy. In 1848 Mr. Syfert and family moved to Van Buren Co.. His wife died May 30, 1872. He married again to Mrs. Mary Elizabeth Jordon on March 4, 1873. To this union were born 5 children: Allie Maud Kisling of Stockport; and James Wesley. 2 daughters died in infancy and Charley on October 8, 1903. F-Millers Chapel Cemetery, Mt. Zion.
Source: Redhead Collection of Obituary Extractions, Donnellson Public Library, Donnellson, IA.

Benjamin is of German descent.
1848 Benjamin and Elizabeth ‏(Warner)‏ Syfert, and family to Winchester, Union Twp., Cedar Twp., IA.
1860 US Census lists Benjamin, Elizabeth and family in Washington Twp., Van Buren, IA.

From his two marriages ‏(1)‏ Elizabeth and ‏(2)‏ Mary, he had a total of 13 children plus two step-children from Mary's first marriage which makes a total of 15.

Benjamin Franklin Syfert 1821-1908
SYFERT, WARNER, LOOFBOURROW, GRIEVES, JORDON, KISLING
Benjamin Franklin Syfert - Born PA September 11, 1821 and died April 21, 1908, age 86 years, 7 months, 10 days. When a small boy moved with parents to Fairfield Co., OH. Here he married Miss Elizabeth Warner. Seven children born, 2 girls, 5 boys: Mrs. Mary Catherine Loofbourrow of Fairfield, IA; Mrs. Sarah Ellen ‏[Grieves]‏ Greaves of Tonapah, NV; George F. of Bonaparte; Joseph Talbot of Bentonsport; Thomas Edward of Birmingham, all are living. Isaac Parker died in 1879; Simon died in infancy. In 1848 Mr. Syfert and family moved to Van Buren Co.. His wife died May 30, 1872. He married again to Mrs. Mary Elizabeth Jordon on March 4, 1873. To this union were born 5 children: Allie Maud Kisling of Stockport; and James Wesley. 2 daughters died in infancy and Charley on October 8, 1903. F-Millers Chapel Cemetery, Mt. Zion.
Source: Redhead Collection of Obituary Extractions, Donnellson Public Library, Donnellson, IA.