I have this book, I cannot search for you in Jennings, but there is a date and book number here. Hope this helps.
:-) Barbara Long

“Court Recods of Jennings County, IN 1818-1850"
by Maurice Holmes December 1978


Probate Order Book 4

Page 148. The heirs of Daniel Lett dec. listed in a petition for partition of real estate were; Polly the widow, Fielding Lett, Samuel Arbuckle and wife Sally, Timothy Lewis and wife Mahala, William Owen and wife Quintilla, two minor heirs not here named with James S. Smith as their guardian. Byfield Lett whose address was unknow was an heir as was the unknow heirs of Thomas McFadden and wife Mariah of Owen Co., Kentucky. Feb.11, 1845