Yes, 4 siblings, including Ernest II, Duke of Saxe-Coburg and Gotha, Berta Ernestine von Schauenstein (Half-sibling), Ernst Albert Bruno von Bruneck (Half-sibling), and Freiherr Robert Ferdinand von Bruneck (Half-sibling)
Who were Prince Albert's parents?
Ernest I, Duke of Saxe-Coburg and Gotha, Princess Louise of Saxe-Gotha-Altenburg, Duchess Marie of Württemberg (Stepparent), and Alexander von Hanstein, Count of Pölzig and Beiersdorf (Stepparent)