According to Martha (Wright) Winch's notes, Horatio & brothers had a land grant in King & Queen County, Virginia. The story goes that in the 1920s a lawsuit was brought against the state of Virginia to compensate the heirs for the land, the children of Horatio Gates Clark being the living heirs. Rebecca Catherine (Clark) Wright refused to sign according to memory of Martha (Wright) Winch. Rebecca didn't want the lawyers to get anything. This is a family story, don't know if it is correct or not.
Horatio was one of the first settlers west of Lancaster, Ohio.
William and Horatio Clark, it is believed, were the first settlers, along with W. Lane, father-in-law of H. Clarke. They settled on Tobey creek, one mile northwest of the present village of Royalton, and near the Indian village of Tobey Town. The date of their coming was in the year 1799.