From the 1885 History of Steuben County, Indiana page 605:

Lorenzo Dunham was born in Bedford Township, Cuyahoga County, Ohio, May 29, 1833, a son of John and Elizabeth Dunham, early settlers of Cuyahoga County, from Herkimer County, New York.  He is the youngest of ten children; all save the eldest, Ambrose, are living, three being residents of Steuben County, viz.; Chester, Alonzo and Lorenzo.  March 14, 1860, Mr. Dunham was married to Sarah Ann Riddles, a native of London, England, born September 17, 1839.  When she was five years of age her parents, William and Ann Riddles, came to the United States and settled in Cleveland, Ohio, where her mother died in 1848.  Her father is living at Berea.  Of a family of six children Mrs. Dunham is the only one living.  Mr. and Mrs. Dunham have had five children -- Theodore, born in Ohio, married and resides in this township; James, also born in Ohio; Florence, died October, 1878, aged 8 years; Rozenar and Olive.  In February, 1864, Mr. Dunham became identified with Steuben County, locating on Section 25, York Township, where they lived till 1879, when he bought his present home on Section 29.  He owns 140 acres in the homestead and 160 acres on Section 25.  After coming to Steuben County he engaged in buying and shipping live-stock to eastern markets, Cleveland, Buffalo and Pittsburgh being the principal points.  He was in limited circumstances when he came to the county, but by his strict business integrity and capability, added to attention to his business, he has been successful and has now a good property.  In politics he is a Republican, and takes an interest in all the prominent issues of the day though no aspirant for official honors.