T-91 is the 4th litter of T-30 aka Husn-Ara. She gave birth to her fourth and last litter of one male and one female cub, fathered by T-3. Little is known about T-91 because her mother, T-30 spend most of time out of tourism area. She was dead on 21 January 2016, while her both cubs staying with her. After death of the mother, both cubs made their own territory. Both cubs got their tiger code T-91 ( male cub) and T-90 ( female).