Preston married Margaret Rebecca Beverage on 22 Nov 1860 in , Pocahontas , West Virginia, United States. Margaret (daughter of Henry Beverage and Nancy Lunsford) was born in 1842 in , , Pend/Highland, Va; died in Feb 1894; was buried in Grogg Cemetery, Pine Grove, Pocahontas Co., Wv. [Group Sheet] [Family Chart]

1. Susan A. Ervine was born in 1863; died on 28 Feb 1936.
2. George Alice Ervine was born on 22 Feb 1865 in , , Lewis Co., Wv; died on 25 Jan 1945 in , Pocahontas , West Virginia, United States; was buried in Arbovale Cemetery, Arbovale, Pocahontas, WV, USA.
3. Emma Jane Ervine was born on 15 May 1867 in , Pocahontas , West Virginia, United States; died on 24 Sep 1944 in , Pocahontas , West Virginia, United States; was buried in Arbovale Cemetery, Arbovale, Pocahontas, WV, USA.
4. Nancy Jane Ervine was born on 11 Apr 1869 in , Pocahontas , West Virginia, United States; died on 20 Jun 1934.
5. Clara Ervine was born on 1 Mar 1872 in , Pocahontas , West Virginia, United States; died on 6 Jun 1928 in , Pocahontas , West Virginia, United States; was buried in Arbovale Cemetery, Arbovale, Pocahontas, WV, USA.
6. David Lee Ervine was born on 11 May 1873 in , Pocahontas , West Virginia, United States; died on 22 Apr 1935 in , Pocahontas , West Virginia, United States; was buried in Arbovale Cemetery, Arbovale, Pocahontas, WV, USA.
7. Cora Ella Ervine was born in 1875; and died.
8. Houston Ervine was born in 1877; and died.
9. Lola Grace Ervine was born on 3 Feb 1881 in , Pocahontas , West Virginia, United States; died on 29 Oct 1943 in , Pocahontas , West Virginia, United States; was buried in Arbovale Cemetery, Arbovale, Pocahontas, WV, USA.
10. Sadie Florence Ervine was born on 15 Apr 1882 in , Pocahontas , West Virginia, United States; died on 29 Jan 1971 in , , Kanawha Co., Wv; was buried in Spring Hill Cem, Charleston, Kanawha Co., Wv.