Peter married Catherine Yoho on 6 Jul 1837 in Belmont County, Ohio, USA. Catherine (daughter of John Yoho and Mary Gates) was born on 25 Nov 1818 in Pennsylvania, USA; died on 7 May 1891 in Switzerland Township, Monroe County, Ohio, USA. [Group Sheet] [Family Chart]

1. Sarah Elizabeth Ault was born on 3 Jun 1838 in Belmont County, Ohio, USA.
2. Joseph John Ault was born in 1841 in Monroe County, Ohio, USA.
3. Valentine Ault was born on 12 Jan 1842 in Monroe County, Ohio, USA.
4. Mary Catherine Ault was born in 0Mar 1847 in Monroe County, Ohio, USA.
5. William Ault was born in 1849 in Monroe County, Ohio, USA.
6. David Ault was born in 1850 in Monroe County, Ohio, USA.
7. Nancy Jane Ault was born on 23 Jan 1853 in Cameron, Adams Township, Monroe County, Ohio, USA.
8. Melvin Ault was born on 14 Mar 1858 in Cameron, Adams Township, Monroe County, Ohio, USA; died on 13 Feb 1927 in Wheeling, Ohio County, West Virginia, USA.
9. Amos Ault was born on 8 Aug 1859 in Switzerland Township, Monroe County, Ohio, USA; died on 21 Jun 1935 in Cameron, Adams Township, Monroe County, Ohio, USA.
10. Morgan Ault was born on 1 Oct 1861 in Clarington, Monroe County, Ohio, USA; died on 7 May 1943 in Cameron, Adams Township, Monroe County, Ohio, USA; was buried on 10 May 1943 in Cameron Cemetery, Adams Township, Monroe County, Ohio, USA.