DY
I was talking about the recipient. I dont know Rav Dovid’s opinion on the matter , only Rav Tendler.
A Son-in-Law can follow a father in Law, Rav Menachem Scheerson was the Son-In-Law of Rav Yitzchok Schnnerson
And The Steipler followed his Brother-in-Law the Chazon Ish. So it is possible for Shvers to follow.