In "A History of the Cape County - Stoddard Co, Proffer Family and its Antecedents and Descendants" by Alice Proffer Spillman (Cape Girardeau, MO.) dated 1976, it states
John F. PROFFER, b. 1/20/1819 MO., d 5/13/1900, buried Gladish Cemetery - Millersville-Burfordville, Cape Girardeau Co, MO, married "Nancy Maria LINK", the daughter of Daniel Link (sister of Aaron LINK). They had 11 known children.
George Washington PROFFER, b 1/2/1847, d 8/3/1924 married "Martha S. GLADISH" the daughter of Marion GLADISH.They had six (6) known children.
Vada Sylvania PROFFER married A. Guy SANDERS.They had 3 known children.
Also "PROFFER FAMILY" by Albert H. Holder, Houston, TX 1972 also states that Nancy Maria LINK is the wife of John F. PROFFER.