Can we draw the following hypothesis from the context?

Context:

Jonas Hummels (born 5 August 1990) is a German retired footballer who played as a central defender for SpVgg Unterhaching. He is the younger brother of German international Mats Hummels, and the son of Hermann Hummels, a former footballer and manager.

Hypothesis: Jonas Hummels has a brother named Mats.
Yes