John married Rebecca Isabel McCuistion on 29 Jan 1866 in Coffey County, Missouri. Rebecca (daughter of Robert McCuistion and Annis Lankford) was born in 1840 in Rhea County, Tennessee; died in CA 1881 in Independence, Montgomery County, Kansas. [Group Sheet] [Family Chart]

1. William Robert Hadlow was born on 3 May 1868 in Kansas; died on 15 Jun 1954 in Cassville, Barry County, Missouri; was buried on 17 Jun 1954 in Mineral Springs, Texas County, Missouri.
2. Otis Lemuel Hadlow was born on 3 Aug 1870 in Barry County, Missouri; died on 12 Oct 1933 in Flat Creek Township, Barry County, Missouri; was buried on 13 Oct 1933 in Cassville, Barry County, Missouri.
3. Burton Alonzo Hadlow was born in CA 1873 in Missouri; and died.
4. Sarah E. Hadlow was born in CA 1875 in Missouri; and died.
5. Walter Hadlow was born in CA 1878 in Missouri; and died.
6. John Henry Hadlow was born on 21 Jan 1877 in Missouri; died on 16 Dec 1961 in Cassville, Barry County, Missouri; was buried on 19 Dec 1961 in Mineral Spring, Barry County, Missouri.
7. Thomas Franklin Hadlow was born on 20 Jan 1880 in Eagle Rock, Barry County, Missouri; died on 3 Mar 1940 in Cassville, Barry County, Missouri; was buried on 4 Mar 1940 in Shell Knob, Barry County, Missouri.