Sounds like Cecil's brother is holding off any aspiring new alpha males at least for the time being.

New York Daily News:

He’s their mane man.

The lion cubs left fatherless in Zimbabwe by the cruel killing of 13-year-old jungle beast Cecil are surviving in the wild under the watchful eye of their uncle.

Typically, rival males will kill the cubs of the pride’s alpha male once he dies — but Cecil's brother is providing his young nieces and nephews with some protection.