It seems you are referring to allegations often brought up in political discussions. To provide context, it’s important to know who is making such allegations and against whom they are made to have a better understanding.
However, without specifying any particular billionaire family, I can only provide a general response. In politic circles, it’s relatively usual for affluent individuals and families to make substantial contributions to a variety of causes, entities, and political groups, often across the spectrum.
It’s crucial to evaluate different sources and their reliability before coming to any assumptions and decisions. Always cross-check information from different sources to have an accurate view of the situation.