1870 Census, Dale City PO, Jackson Twp., Guthrie Co. IA, p. 215 (Heritage Quest online)
(July 28, 1870)
Dwelling 119
Family 119
Burden, John, 55, farmer, Real Estate $1600, Personal Property $300, b. OH
Cyuttia? (Lydia?), 50, b. OH
Nancy, 22, b. IN
Rebecca, 20, b. IN
Catharine, 14, b. IN
Ann, 14, b. IA
Angeline, 9, b. IA
Miller, Alfred, 21, farmer, Personal Property $250, b. PA
Miller, Ira?, 23, farmer, Personal Property $250, b. AR

Death Certificate gives his parents as David Miller, b. PA, and Elizabeth, b. PA (not Mary Grim).