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| : Big Ben (of Devonshire) Persian blue (PER a) Inbreeding coefficient: 4.80 % (4) - 6.57 % (10) Ancestor loss coefficient: 83.33 % (4) - 37.42 % (8)   | : Blue Boy III Persian blue (PER a) | : Blue Boy II Persian blue (PER a) | Don Juan II Persian blue (PER a) | Sussex True Blue Persian blue (PER a) | : Hazel Persian blue (PER a) | Ulysses Persian blue (PER a) | Daisy Persian blue (PER a) | : Pasht Persian blue (PER a) | : Bonnie Boy Blue Persian blue (PER a) | : Pitti Sing Persian blue (PER a) | Eng CH Patrick Blue Persian blue (PER a) | Sussex True Blue Persian blue (PER a) | ||||||
| : Eng CH Blue Esme Persian blue (PER a) | ||||||||||||||||||