Von-braun rhymes with:
braun, braune, brawn, aleron, braun, braune, brawn, caron, craun, dameron, doiron, draughn, drawn, garon, jiron, maron, miron, naron, overdrawn, pierron, praun, prawn, raun, redrawn, salmeron, straughn, strawn, thereon, varon, withdrawn, zamarron
Von-braun sounds like:
vanburen, vanvooren, vonbehren