Robert Allen, son of William Allen and Jemima Chaffin, was born on April 14, 1801 in Abingdon, Washington, VA and died on September 2, 1869 in IL at the age of 68. He married 2 times. The first time he married Elizabeth Vickers on October 4, 1827. She was born in 1789 and died in 1832 at the age of 43. The second time he married Catherine Vickers, daughter of James Vickers and Elizabeth Mowery, on March 26, 1829 in Hamilton, IL. She was born on October 1, 1810 in Sevier, TN and died on January 3, 1875 in IL at the age of 64.

William James Allen, son of Robert Allen and Catherine Vickers, was born on February 8, 1830 in Hamilton, IL and died on January 26, 1911 in Jersey, IL at the age of 80. He married Martha Jane Askew, daughter of Josiah T. Askew and Hannah Bates, on October 11, 1855 in Jersey, IL. She was born on May 30, 1835 in Jersey, IL and died on November 25, 1890 in Jersey, IL at the age of 55.

Jacob W. Allen, son of Robert Allen and Catherine Vickers, was born about 1833 in Hamilton, IL and died in 1859. He married Lovey Jane Allen on July 11, 1853 in Hamilton, IL. She was born in 1816 and died in 1858 at the age of 42.

Rebecca A. Allen, daughter of Robert Allen and Catherine Vickers, was born about 1835 in Hamilton, IL and died in 1859. She married Ozias D. Gettings on August 4, 1853 in Hamilton, IL. He was born in 1808 and died in 1858 at the age of 50.

Laura J. Allen, daughter of William James Allen and Martha Jane Askew, was born on August 18, 1856 in Jersey, IL and died on June 30, 1950 in MO at the age of 93. She married Henry Garrell on August 8, 1878. He was born in 1832 and died in 1883 at the age of 51.

Marion Otto Allen, son of William James Allen and Martha Jane Askew, was born on August 3, 1858 in Jersey, IL and died on December 7, 1925 in IL at the age of 67. He married Maria L. Cresswell, daughter of Walter Mcclure Cresswell and Louisa Tucker, on August 8, 1878 in Jersey, IL. She was born in 1844 and died in 1883 at the age of 39.

Fannie C. Allen, daughter of William James Allen and Martha Jane Askew, was born on December 23, 1860 in Jersey, IL and died on December 15, 1948 in IL at the age of 87. She married E. M. Hughes on May 20, 1883 in Jersey, IL. He was born in 1837 and died in 1888 at the age of 51.

Rosa M. Allen, daughter of William James Allen and Martha Jane Askew, was born on December 6, 1862 in Jersey, IL and died on March 15, 1902 in IL at the age of 39. She married Frank Nias on August 22, 1894 in Jersey, IL. He was born in 1844 and died in 1899 at the age of 55.

Willmina Jane Catherine Allen, daughter of William James Allen and Martha Jane Askew, was born on November 19, 1865 in IL and died on January 2, 1950 in Alton, Jersey, IL at the age of 84. She married Walter James Cresswell, son of Walter Mcclure Cresswell and Louisa Tucker.

James Askew Allen, son of William James Allen and Martha Jane Askew, was born on May 30, 1870 in Jersey, IL and died on April 24, 1946 in IL at the age of 75. He married Annie M. Jacobson on February 5, 1891 in Jersey, IL. She was born in 1854 and died in 1897 at the age of 43.