The suitability of electron-rich bis-silylenes, specifically the neutral chelating [SiII(Xant)SiII] ligand (SiII = PhC(NtBu)2Si, Xant = 9,9dimethylxanthene) and the anionic [SiII(NAcrid)SiII)]‒ pincer ligand (NAcrid = 2,7,9,9-tetramethylacridane), has been successfully probed to stabilize monovalent bis-silylene-supported aluminium complexes (aluminylenes).