That was...a long time ago. I haven't asked, but I think the kindest option is that they just didn't have any children, under the circumstances.

[He doesn't seem to mind Mona joining him for lunch, at least. He's the kind of person who thinks of meals as a time to socialize, and sometimes that includes sharing, right?]

The Station has a vault full of samples of native plants that the androids used to start a food garden, so we at least know it's unlikely that they starved.