A. Hildebrandt came to USA in 1855 married Catherine Myers
Not my family line, just sharing.
From the book "HISTORY AND BIOGRAPHY, COUNTIES OF WHITE AND PULASKI INDIANA. Historical and Biographical. Illustrated. Chicago; F. A. Battey & CO., Publishers. 1883."
page 271, Prairie Township, White County, Indiana
"A. HILDEBRANDT is a native of Germany, and came to America May 3, 1855, landing in New York, thence moving to Tippecanoe County, Indiana, and then coming to this township (Prairie Township, White County, Indiana), where he purchased 220 acres of land, which he has increased to 300 acres. He rears from fifty to sixty head of cattle, seventy-five to eighty hogs, and twelve to fourteen horses annually, and raises about seventy-five tons of hay, and from 3,000 to 4,000 bushels of corn; in 1881, he raised 700 bushels of wheat. He was married, in LaFayette, (Indiana) to MISS CATHERINE MYERS, a native of Germany, who has borne him eight children - HENRY, MARY, AUGUSTUS, ANNIE, AMELIA, EDA, GEORGE (deceased) and KATE (deceased). MR. HILDEBRANDT has earned all his property by his own industry and good management, and has surronded himself with every comfort tending to make farm life enjoyable."