The Wikimedia caption lists them as (left to right):
• Duchess Amalie of Bavaria née Princess of Saxe-Coburg-Gotha (wife of Max Emanuel),
• Duke Max Emanuel of Bavaria,
• Prince Ludwig August of Coburg (widower of Princess Leopoldina of Brazil),
• Prince Ferdinand of Coburg (later Tsar of Bulgaria),
• Archduchess Clothilde of Austria née Princess of Saxe-Coburg-Gotha (wife of Archduke Joseph),
• Archduke Joseph Karl Ludwig of Austria,
• Prince Philipp of Coburg, and
• Princess Louise of Cobrug née Princess of Belgium (wife of Prince Philipp).
From Wikimedia; spots removed with Photoshop and sepia tone removed.