Winfield married Nancy Priscilla Ruckman on 7 Jun 1872 in , Pocahontas , West Virginia, United States. Nancy (daughter of James Watts Ruckman and Esther Caroline Arbogast) was born on 25 May 1859 in , Pocahontas , West Virginia, United States; died on 23 Feb 1931 in , Pocahontas , West Virginia, United States; was buried in Ruckman Cemetery, Marvin's Chapel, Pocahontas Co., Wv. [Group Sheet] [Family Chart]

1. Orin Watts Slaven was born on 29 Jan 1874 in , , Randolph Co.*, Wv; died on 11 Apr 1878; was buried in Ruckman Cemetery, Marvin's Chapel, Pocahontas Co., Wv.
2. Jacob Vinton Slaven was born on 28 Apr 1876; died on 21 Oct 1958 in , , Bexar Co., Tx; was buried in Roselawn Cem, San Antonio, Bexar Co., Tx.
3. Carl Winfield Slaven was born on 15 Dec 1878 in , Pocahontas , West Virginia, United States; died on 9 Jul 1959 in , Pocahontas , West Virginia, United States; was buried in Mt. View Cem, Marlinton, Pocahontas Co., Wv.
4. James Roy Slaven was born on 9 Oct 1880; died on 12 Oct 1960 in , , Randolph Co., Wv; was buried in Ruckman Cemetery, Marvin's Chapel, Pocahontas Co., Wv.
5. Guy Wallace Slaven was born on 18 Jun 1901; died on 14 Jan 1978.