Complex sentence: Richard Bache, Jr. (1784--1848), was a Representative to the Second Texas Legislature in 1847 and assisted in drawing up the Texas Constitution of 1845, the first of Texas' five state constitutions.
Split into simpler sentences: Richard Bache, Jr. (1784--1848), was a Representative to the Second Texas Legislature in 1847. He had assisted in drafting the Texas Constitution of 1845, the first of its five state constitutions.