hiː wʌzðə tˈɛnθ bˌʌt sˈɛvənθ sɚvˈaɪvɪŋ sˈʌn ʌv ˈɜːnɪst ˈaɪ, dˈuːk ʌv sˈæksɡˈɑːθə ænd ᵻlˈɪzəbəθ sˈoʊfi ʌv sˈæksˈɔːlʔn̩bˌɜːɡ.
He was the tenth but seventh surviving son of Ernest I, Duke of Saxe-Gotha and Elisabeth Sophie of Saxe-Altenburg.