The story
The company was founded in 1965 as Deutsche Beteiligungsgesellschaft mbH and is, according to its information, the oldest company in the private equity sector in Germany. Deutsche Beteiligungs AG was founded in 1984 by Deutsche Bank and Schmidtbank from Hof (Saale) and was managed by Deutsche Beteiligungsgesellschaft mbH. Deutsche Beteiligungs AG went public with an IPO on the Frankfurt Stock Exchange in 1985.
From Wikipedia’s article on Deutsche Beteiligungs, shared under CC BY-SA 4.0.4