Sophia's maiden name

[sodalake]

Was it ever mentioned in the series what Sophia's maiden name was? What made me think about is the episode descriptions that my Dish Network onscreen guide has for the episodes now airing on We. They are different from what they were before on Lifetime. Today it has for an episode that Angela Petrillo visits. Angela's (Sophia's sister) last name was not Petrillo because that was Sophia's married name and Dorothy's maiden name.

Sophia's brother Angelo was seen on the show, but I don't think his last name was ever mentioned either.

The show made a mistake in the episode where Rose reveals she's adopted and that Gunter and Alma Nylund were her adopted parents...their last name was Lyndstrom not Nylund--Nylund was her married name. I can't believe no one in the cast or crew ever caught this error.