Thomas C. Fletcher House is a historic home located at Hillsboro, Jefferson County, Missouri. It was built about 1850, and is a two-story, log dwelling with later frame additions. It sits on a limestone and concrete block foundation. It was the home of Thomas C. Fletcher, Missouri's first Republican governor and the first native-born Missourian elected governor. Using only the above description and what you know about the world, "Thomas C. Fletcher's son was Missouri's third Republican governor. " is definitely correct, incorrect, or inconclusive? 