This is what I think you are looking for if you are asking about Charles Medlock, son of Thomas Medlock and his 1st wife whose name is unknown. Thomas married.4 times w/children by, 1st, 3rd and 4th wives.
This Charles married a Huffman daughter and while one of their 8 children was named William
he was William Wesley, rather than William Wiley.
Descendants of Charles MEDLOCK
1 Oct 2013
1. Charles MEDLOCK (b.17 Jan 1834-Martin Co,IN;d.13 Dec 1911-Travis Co,TX)
sp: Malissa Olivine Caroline HUFFMAN (b.24 Oct 1840-San Augustine Co,TX;m.29 Sep 1859;d.23 Oct 1911-Anderson Co,TX)
2. John Jackson MEDLOCK (b.15 Oct 1861-TX;d.22 Oct 1861-TX)
2. Harriet Mary MEDLOCK (b.29 Jan 1864-Gillespie Co,TX;d.11 Jun 1938-Santa Cruz Co,CA)
sp-1: John Stonewall LAWSON (b.20 Mar 1844-Booneville,MO;m.15 Jan 1879;d.19 Sep 1888-Gillespie Co,TX)
sp-2: Warren Allen SMITH (b.Abt 1871-TX;m.29 Sep 1891;d.15 Sep 1955-Cameron Co,TX)
2. William Wesley MEDLOCK (b.1866-Gillespie Co,TX;d.1949-TX)
sp: Delana Carrie SMITH (b.May 1869-GA;m.13 Sep 1891;d.1959-TX)
2. Anne Jane MEDLOCK (b.Sep 1867-Gillespie Co,TX;d.15 Oct 1918-Mason Co,TX)
sp-1: Thomas O. POLK (b.1864-TX;m.18 Oct 1883;d.by 1884-TX)
sp-2: James Lemuel BRUCE (b.Dec 1856-Tishomingo,MS;m.1886;d.20 Dec 1929-Mason Co,TX)
2. Charles MEDLOCK (b.Abt 1869-Gillespie Co,TX;d.7 Dec 1879-Burnet Co,TX)
2. Jerry Nard MEDLOCK (b.1 Aug 1870-Gillespie Co,TX;d.4 Aug 1872-Gillespie Co,TX)
2. Elizabeth MEDLOCK (b.10 Dec 1875-Bell Co,TX;d.30 Jun 1969-Lampasas Co,TX)
sp: William Edmond CAMPBELL (b.5 Feb 1869-Gillespie Co,TX;m.Nov 1891;d.2 Sep 1944-Jefferson Co,OK)
2. Riley Jefferson MEDLOCK (b.23 Jul 1877-Llano Co,TX;d.5 May 1953-Travis Co,TX)
sp: Louisa Mae KING (b.4 Feb 1887-TX;m.15 Jun 1904;d.8 Aug 1931-Llano Co,TX)
Llano Co., TX Probate Court Minutes, Vol. 65, pps 589-90, abstracted here by James L. Sims, Fort Worth, TX, 1997: Ex Parte R. J. Medlock Affidavit in Proof of Heirship The State of Texas, County of Llano - Before me on this day personally appeared R. J. Medlock who deposes and says that he was acquainted with Charles Medlock and wife, M. O. Medlock in their lifetimes; they were husband and wife, and father and mother respectively of this affiant; that said Charles Medlock and M.O. Medlock were married on or about 27 Sep 1859 and that issue of said marriage, seven (7) children and no others were born to them as follows: 1. Jackson Medlock, a son, who died at age about 3 weeks. 2. Jerry Medlock, a son, who died about age 3 days. 3. Charley, a son, who died at age of 11 years. 4. Annie Medlock, a daughter, who married and became wife of J.L. Bruce. 5. Harriet Medlock, a daughter, who married and became wife of W. A. Smith 6. W.W. Medlock, a son who is now 66 years of age. 7. Lizzie Medlock, a daughter, who was married to and became wife of W. R. Campbell 8. R. J. Medlock (this affiant) a son and who is now 58 years of age...
Affiant says Charles Medlock, now deceased died intestate on or about 22nd day of Oct 1911 and that M.O. Medlock is now deceased and she died intestate on or about 22 Nov 1911. No administration was ever taken out on the estate either the said Charles Medlock or M.O. Medlock and that there was and is no necessity for any administration on their said estates, that neither the said Charles or M.O. Medlock or their estate owe any debts at that time nor is the estate of them or either of them owing any indebtedness. Sworn and subscribed by R. J. Medlock on this 21 day of Dec 1935.