Hello!
The Samanid dynasty had quite a few local dynasties / emirates / city issuers. The division should look something like this:
----- Samanid dynasty
---------- Akhsikath, Samanids of (https://www.acsearch.info/search.html?id=1362100)
---------- Andaraba and Banjhir Regions (N#225270)
---------- Banijurid dynasty (https://www.acsearch.info/search.html?id=5959228)
---------- Chach, City of (figure out later…)
---------- Farwan, Emirate of (https://www.acsearch.info/search.html?id=3353723)
---------- Khujand, City of (https://www.acsearch.info/search.html?id=1832862)
---------- Khuttal, Emirate of (https://www.acsearch.info/search.html?id=1278102)
---------- Mattid dynasty (https://www.acsearch.info/search.html?id=9880449)
---------- Muhtajid dynasty (https://www.acsearch.info/search.html?id=3335925)
---------- Samanid dynasty
---------- Simjurid dynasty (https://www.acsearch.info/search.html?id=4986214)
---------- Usrushana, Afshins of (https://www.acsearch.info/search.html?id=1677258)
Lines 24 to 36. :)
https://docs.google.com/spreadsheets/d/1DE0MAHSElWZvgJ6Sh3gY6NAvZoRvyoKi9AUE9HyRxCE/edit?usp=sharing