Complex sentence: He was created Count Bernadotte af Wisborg by Grand Duke Adolf on February 2,1892, and a possible explanation for the name is that the fortification Visborg (then spelled "Wisborg") lies in his former dukedom.
Split into simpler sentences: He was created Count Bernadotte af Wisborg by Grand Duke Adolf on February 2,1892. A possible explanation for the suffix name is that the fortification Visborg (then spelled "Wisborg") lies within his former dukedom.