Mar Shimun XII Yoalaha was the seventh Patriarch of the

Chaldean Catholic Church , native_name_lang = syc , image = Assyrian Church.png , imagewidth = 200px , alt = , caption = Cathedral of Our Lady of Sorrows Baghdad, Iraq , abbreviation = , type ...

, from 1656 to 1662. He succeeded Patriarch

Shimun XI Eshuyow Mar Shimun XI Eshuyow was the sixth Patriarch of the Chaldean Catholic Church, from 1638 to 1656. He succeeded Patriarch Shimun X Eliyah, The seat of the patriarchate of Babylon of the Chaldean Catholic church being in Salmas during his reign. ...

, the seat of the patriarchate of Babylon of the Chaldean Catholic church being in Khosrau-Abad near

Salmas Salmas ( fa, سلماس; ; ; ; syr, ܣܵܠܵܡܵܣ, Salamas) is the capital of Salmas County, West Azerbaijan Province in Iran. It is located northwest of Lake Urmia, near Turkey. According to the 2019 census, the city's population is 127,86 ...

Safavid Empire Safavid Iran or Safavid Persia (), also referred to as the Safavid Empire, '. was one of the greatest Iranian empires after the 7th-century Muslim conquest of Persia, which was ruled from 1501 to 1736 by the Safavid dynasty. It is often conside ...

during his reign. Mar Shimun XII Yoalaha like his predecessors Shimun X Eliyah and

was not formally recognized by Rome after the hereditary Shimun line of Patriarchs was reintroduced by Patriarch Shimun IX Dinkha in the Chaldean church. Hereditary succession is an unacceptable practice in Catholic Church. His successor in 1662 was

Shimun XIII Dinkha Mar Shimun XIII Dinkha was Patriarch of the Chaldean Catholic Church carrying the title Patriarch of Babylon between 1662 and 1692 in communion with Rome and residing in Khosrau-Abad near Salmas. He was the last in the hereditary Shimun line of ...

, the last of the Shimun line in the Chaldean Church.

See also