In the 1850 census of Randolph County, IN that lists a 70 year old male named William Moner married to a much younger wife named Sarah 39 (I believe this would be a second wife). She is listed as being blind. He has 3 young children living with him. His birth place is listed as NC and hers as TN. The children are Lucinda C., Emily J., and James J. He is living next to Christopher Manus and family. Their marriage took place in Hawkins County, TN. Sarah died in 1858, a year after the younger Sarah was born.
In the 1860 census of Randolph County, IN, Mary Baugh is living with her son and also living with them is an 80 year old man named William Mancus born in NC and a 3 year old Sarah Manus (I believe to be the youngest of William's children). This could mean that the first group has 4 half siblings.