Looking for death date and burial location for

Cyrus Duvall, born Jul 1853, wife Margaret Jane Thompson, born 1855, died possibly 1933
children:
Cyrus Earl Duvall Dec 1877
Carl Leon Duvall 19 Apr 1887 Rensselear
John Wesley Duvall 12 Jan 1885 Rensselear
Ora Bell Duvall Jan 1883

Thanks in advance for your help, it is greatly appreciated.