Complex sentence: To be sure, he did not trust his remaining vassals either, especially Minkhaung II of Toungoo, his other half uncle who once revolted against none other than Bayinnaung.
Split into simpler sentences: To be sure, he did not completely trust his remaining vassals either. In particular, he distrusted Minkhaung II of Toungoo, who once revolted against none other than Bayinnaung.