Pronunciation: [ɡˈɪlbəð] (IPA)
Correct spelling for the English word "Gilberthe" is [ɡˈɪlbəð], [ɡˈɪlbəð], [ɡ_ˈɪ_l_b_ə_ð] (IPA phonetic alphabet).
Correct spelling for Gilberthe