About Stiles/Gemini

Stiles Stilinski is Gemini Mikaelson and he is the older brother of the Mikaelsons (Freya never existed). He is the mate of Theo Raeken.

How will the pack react when they find out Stiles/Gemini and Theo are mates? How will they react to Stiles/Gemini family? Will they except him or not?