@Spirit it's all the Zenimax studios MS ownes now (by buying Zenimax).
Bethesda, iD, Arkane Studios Machine Games, Tango Gameworks, Alpha Dog Games and Roundhouse Studios
https://news.xbox.com/en-us/2020/09/21/welcoming-bethesda-to-the-xbox-family/
"We are thrilled to announce Microsoft has entered into an agreement to acquire ZeniMax Media, parent company of Bethesda Softworks."