The Duran surname has 3 Haplotypes, Q, I, and R. There are approximately 7 branches/mutations of these YDNA haplotypes. These mutations make up approximately 21 Unique YDNA Haplotype sequences.
On the mtDNA side there are about 8 mtDNA Haplotypes with many branches and mutations. This is caused by a new name change with each Duran spouse almost every generation.