In any event, he opted to have his followers to target very specific targets. The Greengrass Heiress’s Birthday Ball gave him more insight on her political leanings and who she considered a friend. While he didn’t particularly care about her.. preferences let alone relationship to the heiress, his followers did. Many of them having their sons try to propose to the heiress, to a family that was known for declining all arrangements, was pointless. All it did was prove their relationship and further cement her to the Grey’s. Then again, based on the information he had, her ideology was already there. That was prior to her finding out she was Morgana. Another interesting point considering her blood. A mudblood who cared about magical culture, who didn’t try to change the magical world to conform to the muggle. 