Not my family line, just sharing.
The following Biographical sketch was copied from the book "HISTORY AND BIOGRAPHY COUNTIES OF WHITE AND PULASKI, INDIANA. Historical and Biographical. Illustrated. Chicago; F.A. Battey & Co., Publishers. 1883.
page 720, Indian Creek Township, Pulaski County, Indiana.
"JOHN SENN, Sr., was born in Switzerland May 16, 1808, and is the eldest of the eleven children born to MICHAEL and NEUPERGA (SHIVERLY) SENN. MICHAEL was a farmer and a wine-grower, and for a time served in the Swiss Army. In 1837, he bought his family to America and settled in Seneca County, Ohio, and there ended his days in 1839. His object in coming to the United States was to secure land for his children, and at his death gave JOHN SENN Sr., the money to purchase estates for them all. In 1838, JOHN, Sr., came to what is now Indian Creek Township, located some 400 to 500 acres, which he bid off at the land sale at La Porte in December of the same year. MICHAEL and his wife were both members of the Catholic Church, and in this faith the latter died in White County, Indiana, in 1857. JOHN SENN Sr., received a fair education in Switzerland, and after coming to America learned the carpenter's trade of a brother-in-law in Seneca County, Ohio and followed the business for about sixteen years. He was married in Seneca County, in 1841, to CATHARINE WAGNER, a native of France, who bore him two children - CATHARINE, now MRS. PETER BUCHMAN, and JOHN SENN, Jr., In 1844, he came to this township and bought more land, but remained only a few months. In 1848, however, he took up permanent home here, and built a log house and improved a portion of his land. JOHN SENN Jr., resides with his parents on the homestead, but owns a well improved farm of 300 acres adjoining. He began life for himself at the age of twenty-seven, and was married February 17, 1871, to MARGARET MEYERS, a native of Seneca County, Ohio, and of German descent. Three sons and two daughters have blessed this union, and the family are all members of the Catholic Church. In politics, MR. SENN is a Democrat."