Toensing lists his last name as Ruckoldt. The Minnesota Legislative Manual, 1873 lists Ruckoldt, Ruckholdt, and Ruckholt. The Minnesota Legislative Manual, 1872 lists both Ruckoldt and Buckholdt.
He came to Connecticut in 1847. He moved to New York City. He moved to Wright County, Minnesota in 1857.
He was a member of the Democratic Party.