Complex sentence: In the 1500s, the Gond king, Sangram (whose son married Rani Durgavati) held Singaurgarh fort in Sangrampur (near Garha, Jabalpur).
Split into simpler sentences: In the 1500s, there was a Gond king, Sangram, whose son married Rani Durgavati. Sangram held Singaurgarh fort in Sangrampur (near Garha, Jabalpur).