Verhaeren, EmileBoodt, Anselmus deBuchel, Aernout vanCampbell of Succoth (2nd Baronet), Sir ArchibaldCastellamonte, Amedeo di (Conte)Ciamberlano, LucaColonna, FabioBarberini, FrancescoDomat, JeanSalomon, ErichDonath, GabrielSecundus, JanusFord, RichardCardozo, ChristopherFromentin, EugèneBuchanan, WilliamJaffé, AlfonsBeets, Nic (handelaar en kunsthistoricus)Westendorp, Herman KarelBaart de la Faille, JacobFeldmann, ArthurLallemand, CharlesBeresteyn, Eltjo vanLösener, AlbrechtHooghe, Romeyn deWilde, F.E. deHem, Laurens van derTierens, SegerRoyer, Jean-TheodoreBowdoin, James (III)Cassiano dal PozzoCanneman, Willem (HKK)Spandaw, H.A.Kinker, JohannesFeith, CornelisPoelje, Gerrit Abraham vanAnciaux, BertGiustiniani, BenedettoCats, Jacob (dichter)Borghese, Scipione