The aim of this seminar is to look at some problems of the traditional subdivisions of Iranian and at possible ways for a new approach. In the first part, I will summarize the problems in data and method with the traditional model of relations among the Ir. languages. In the second part, I will discuss which alternative models might seem possible to account for the relations within Iranian. The aim of this seminar is to look at some problems of the traditional subdivisions of Iranian and at possible ways for a new approach. In the first part, I will summarize the problems in data and method with the traditional model of relations among the Ir. languages. In the second part, I will discuss which alternative models might seem possible to account for the relations within Iranian.