Pedigree Query

What do you think about this mares family? Any opinions on this mare? Any influences?

DIN (USA) ro. F, 1974 DP = 10-13-8-1-2 (34) DI = 3.86 CD = 0.82 - 14 Starts, 3 Wins, 5 Places, 1 Shows Career Earnings: $50,573

I'd take her. Drone was an excellent broodmare sire. Daughter grand daughter? :

Drone's OK, but what gets my attention is the 4x4 to Mahmoud!! Back in those days, the dominant bloodmares in Europe were granddaughters of Blandford, and Mahmoud was arguably the best.
My Dad had an Isolator mare and she had quite a strong personality.