Isumbras Took was born sometime before TA 2340 (SR 740). He succeeded Gorhendad Brandybuck as Thain of the Shire. He was succeeded by an unknown Took. It was unknown whether had married and had children. Afterwards, the Thainship was held by the Tooks of the Great Smials.
|Thain of the Shire|
| Preceded by|
|Isumbras Took I|| Succeeded by|
Unknown, eventually Isengrim Took II
|TA 2340 - ?|