Henry Angelroth was born in 1827 in Germany (Saxony, according to the 1870 Census for La Crosse County, WI). He was educated mainly by private tutors in the old country. He was four years a member of an orchestra in Reval, Russia [present day Tallinn, Estonia]. In 1865, he came to the United States, and was seven years in La Crosse, Wis., being a member of several musical societies of that city. Since 1871, his home has been Milwaukee, where he has been engaged largely in teaching. He is a member of Bach's Orchestra. He has seven children, all residents of Milwaukee. 
His first wife was Rosalie Schroeder, and by her he had son Oscar Henry C. Angelroth, born 1862 in St. Petersburg, Russia (Oscar was a deaf mute) and Hugo Angelroth b 1864 in Wisconsin. Daughter Emma by second wife b 1876 in Wisconsin.
His second wife was Ida (Lewenson) Feilmetzger, married in Wisconsin 9 Dec 1874.
On the ship Borussia from Russia arriving in New York 15 July 1863: H Angelroth age 36, Rosalie Angelroth age 37, Oscar Angelroth age 6 months.
In 1867 Henry Angelroth paid $20 for a stolen accordion which was promptly stolen from him by the man he bought it from. "A Rev. Raymond, Methodist, who sought to revive the revivals in and around Tomah, quite coolly took an accordion from the church as he parted, brought it on the train to La Crosse and sold it here to Mr. Angelroth for $20 with which he absconded so that he could revive revivals somewhere else. 
1870 Census La Crosse, La Crosse County, WI has Henry Angelroth age 43 b. Saxony, wife Rosalia age 44 b. Saxony, children Oscar age 8 b. in Russia; Hugo age 6 b. in Wisconsin.
Henry Angelroth was one of the founders of the Deutsche Verein von La Crosse, a musical singing society. “A Brief History of Gymnastics in the La Crosse, Wisconsin Turnverein" (can't access file) at 
In 1880 he was living with his second wife Ida (Lewenson) Feilmetzger and a combined family of his children and stepchildren. Henry was a musician and music dealer in Milwaukee.
Item: St. Paul, Minn. Daily Globe Sunday 14 Oct 1883 page 3: Mr. Siebert has expanded his orchestra to include some additional instruments. "The orchestra will be much stronger in strings, and will be also greatly strengthened by the fagotto. Mr. Angelroth, who plays it, comes from Bach's celebrated orchestra of Milwaukee, and is an accomplished musician."
From his residence in St. Paul came a musical composition. Henry Angelroth composed the “St. Paul Jobber’s Union Excursion March” in 1884. The sheet music is available through the Library of Congress.
29 Mar 1891 St. Paul, MInn. Globe: St. Paul Title Insurance and Trust Company vs. Henry Angelroth; judgment ordered for defendant.
"Henry Angelroth, a musician well known in the Twin Cities, died at the home of his daughter. Mrs. G. A. Stallmann, in Watertown. Wis., Saturday. For the last year he had been a resident of Minneapolis and previously of St. Paul. During his residence here he was connected with Danz's orchestra, and he was generally well known among the musicians of the Western States. He leaves a wife and several grown up children, and was sixty-nine years of age."
"Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVVC-7G52 : 26 July 2019), Henry Angelroth, 1896; Burial, Watertown, Jefferson, Wisconsin, United States of America, Oak Hill Cemetery; citing record ID 7381831, Find a Grave, http://www.findagrave.com. https://www.findagrave.com/memorial/7381831
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