Use "junior partner" in a sentence

1. This was J.P. Morgan's forerunner and whose junior partner was Pierpont.

2. The plaintiff was the senior partner and the defendant the junior partner.

3. He has recently been made a junior partner in the family business.

4. The new senate leader will join me in being a junior partner to the presidential nominee.

5. Most recently, it has been junior partner in a coalition government with the SPÖ since 2007.