бабушка и дедушка Роба и Анны -> Rob and Anna's grandmother and grandfather. The word order is inverted.

And yup, that sentence is another of the reasons why some of my sentences suck. The word order just doesn't always match, not when one gets into the pithy narrative, between Slavic and English (also Spanish and French) languages. Sigh. Anyway! Yes!

Also stupid stupid dizzy spells.