Background
Rosenbaum was born in Fordon which was then part of the Grand Duchy of Posen.
Rosenbaum was born in Fordon which was then part of the Grand Duchy of Posen.
In 1850 Rosenbaum emigrated to the United States. Although he originally landed at New York, he then traveled to San Francisco. From San Francisco, he traveled to Carson River Valley in what is now Nevada.
He was baptized in March 1858 by John Tingey.
In April 1858, Rosenbaum married Alice Breakell Neibaur, the daughter of Alexander Neibaur. They had thirteen children.
In 1869 and possibly the surrounding years, Rosenbaum operated a boarding house in Brigham City, Utah Territory, to house railroad workers. He also operated a store.
In 1868, Rosenbaum married Abigail H. Snow, a daughter of Lorenzo Snow and Harriet Amelia Squires.
They had at least seven children. From 19–21 August 1880, Rosenbaum was imprisoned for preaching. After his release, he preached in Bavaria, Baden, Württemberg and Hanover.
Rosenbaum died at Mink Creek, in present day Franklin County, Idaho and was buried in Brigham City.