Georg Kaibel
In 1872–74 he was a member of the German Archaeological Institute in Rome , where he became a close associate of Theodor Mommsen and Ulrich von Wilamowitz-Moellendorff . 
<triplet> Theodor Mommsen <subj> German Archaeological Institute <obj> member of <subj> Ulrich von Wilamowitz-Moellendorff <obj> relative <triplet> Ulrich von Wilamowitz-Moellendorff <subj> German Archaeological Institute <obj> member of <subj> Theodor Mommsen <obj> relative