Pierre-Eustache Dostaler (May 15, 1809 – January 14, 1884) was a farmer and political figure in Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

. He represented Berthier in the Legislative Assembly of the Province of Canada

Legislative Assembly of the Province of Canada

The Legislative Assembly of the Province of Canada was the lower house of the legislature for the Province of Canada, which consisted of the former provinces of Lower Canada, then known as Canada East and later the province of Quebec, and Upper Canada, then known as Canada West and later the...

 from 1854 to 1858 and from 1861 to 1863.

He was born Pierre-Amable Cazobon in Berthier

Berthierville, Quebec

Berthierville is a Canadian town located between Montreal and Trois-Rivières on the north shore of the Saint Lawrence River in the province of Quebec. Berthierville is the seat of D'Autray Regional County Municipality, and is served by Autoroute 40, and is the junction of Routes 138 and 158...

, Lower Canada

Lower Canada

The Province of Lower Canada was a British colony on the lower Saint Lawrence River and the shores of the Gulf of Saint Lawrence...

, the son of Eustache Cazobon (Cazobon Dostaler) and Geneviève Cottenoir dit Préville. Dostaler was president of the agricultural society for Berthier County and a member of the Quebec Chamber of Agriculture. He was also justice of the peace

Justice of the Peace

A justice of the peace is a puisne judicial officer elected or appointed by means of a commission to keep the peace. Depending on the jurisdiction, they might dispense summary justice or merely deal with local administrative applications in common law jurisdictions...

 and a captain in the militia. In 1832, he married Geneviève, the daughter of Alexis Mousseau

Alexis Mousseau

Alexis Mousseau was a farmer and political figure in Lower Canada. He represented Warwick from 1820 to 1824 and from 1827 to 1830 and Berthier from 1830 to 1838 in the Legislative Assembly of Lower Canada....

. He ran unsuccessfully for a seat in the legislative assembly in 1851. Dostaler was defeated when he ran for reelection in 1858 and in 1863. In 1867, he was named to the Legislative Council of Quebec

Legislative Council of Quebec

From 1867 until 1968, the Legislative Council of Quebec was the unelected upper house of the bicameral legislature in the Canadian province of Quebec...

 for Lanaudière division. He died in office in Berthier at the age of 74.

His son Omer

Omer Dostaler

Omer Dostaler was a farmer and political figure in Quebec. He represented Berthier in the Legislative Assembly of Quebec in 1890 as a Liberal....

 served in the Quebec assembly. His nephews Joseph-Alfred Mousseau

Joseph-Alfred Mousseau

Joseph-Alfred Mousseau, PC , was a French Canadian politician.He was born in Sainte-Geneviève-de-Berthier, Lower Canada, the son of Louis Mousseau, the son of Alexis Mousseau, and Sophie Duteau, dit Grandpré...

 and Joseph-Octave Mousseau

Joseph-Octave Mousseau

Joseph-Octave Mousseau was a lawyer and political figure in Quebec. He represented Soulanges in the Legislative Assembly of Quebec from 1904 to 1914 as a Liberal member....

both served in the Canadian House of Commons.