In the negotiations to form a "Grand Coalition" of Chancellor Angela Merkel's Christian Democrats (CDU together with the Bavarian CSU) and the SPD following the 2013 federal elections, Landgraf was part of the &lt;a href="CDU/CSU"&gt;CDU/CSU&lt;/a&gt; delegation in the working group on families, women and equality, led by Annette Widmann-Mauz and Manuela Schwesig.