Complex sentence: It was named after Billy Barker from Cambridgeshire, England, who was among those who first struck gold at the location in 1861, and whose claim was the richest and the most famous.
Split into simpler sentences: It was named after Billy Barker from Cambridgeshire, England, who was among those who first struck gold at the location in 1861. His claim was the richest and the most famous.