Grand Duke Ernest Louis of Hesse with his sisters and brothers in law on the occasion of the wedding of Prince Andrew of Greece and Princess Alice of Battenberg in Darmstadt. The people are (from left): Grand Duke Ernst Ludwig; Tsaritsa Alexandra Feodorovna and Tsar Nicholas II of Russia; Princess Irene of Hesse and Prince Heinrich of Prussia; Grand Duchess Elizabeth Feodorovna and Grand Duke Sergei Alexandrovich of Russia; and Princess Victoria of Hesse and Prince Louis of Battenberg.
From Wikimedia.