Aaron Katzenellenbogen of Brest was the author of Minchat Aharon, dealing with the Talmudic tractate Sanhedrin, published in 1772. He also wrote an approbation to Shlamei Sincha.

Aaron was married twice. His first wife was Sheine, daughter of R. Jacob, son of Abraham HaLevi. His 2nd wife was Achsa, the daughter of R. Moses Levine A.B.D. Helusk.

He was also a brother in law of R. Samson Kaminetzer, father of Feiwel Kaminetzer (died in Warsaw in 1835, who was the father in law of Jacob Joseph Kaminer (died 1833 in Warsaw).

The son of Jacob J Kaminer, Meir Jehiel, married the daughter of R Baruch Frankel-Teomim, parents of Juda Judel Kaminer.

Source

The Unbroken Chain Chapter 11 - Branch B Kristianpoller, Padua Descendents od Aaron Katzenellenbogen

Revised edition 1990, Neil Rosenstein