Complex sentence: In November 2005, she became Federal Minister for Health, in the Grand Coalition of Angela Merkel, while the responsibility for social security was transferred to the new Federal Minister for Labour and Social Affairs and Vice Chancellor, Franz Müntefering.
Split into simpler sentences: In November 2005, she became Federal Minister for Health, in the Grand Coalition of Angela Merkel. So, the Federal Ministry for Labour and Social Affairs was reborn, headed by the new Vice Chancellor, Franz Müntefering.