For those who may not remember, or even ever knew, Mort Walker also did a long-running strip titled "Hi and Lois". "Lois" was actually "Lois Bailey" before she married "Hi", and was Beetle's sister...
the infowarrior
I remember Hi and Lois but didn’t know she was a Bailey!
So Trixie is Beetle’s niece—and does about as much work as Beetle does.