Ostaszewo o is a village

Village

A village is a clustered human settlement or community, larger than a hamlet with the population ranging from a few hundred to a few thousand , Though often located in rural areas, the term urban village is also applied to certain urban neighbourhoods, such as the West Village in Manhattan, New...

 in the administrative district of Gmina Sońsk

Gmina Sonsk

Gmina Sońsk is a rural gmina in Ciechanów County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Sońsk, which lies approximately south-east of Ciechanów and north of Warsaw....

, within Ciechanów County

Ciechanów County

Ciechanów County is a unit of territorial administration and local government in Masovian Voivodeship, east-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Ciechanów, which lies ...

, Masovian Voivodeship

Masovian Voivodeship

-Administrative division:Masovian Voivodeship is divided into 42 counties : 5 city counties and 37 "land counties"...

, in east-central Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, about 100 kilometres (62.1 mi) north of Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

. The village has a population of 77. It is composed of five parts: Ostaszewo Wielkie, Ostaszewo Panki, Ostaszewo Wloski, Ostaszewo Wola Rancza and Ostaszewo Czernie.

History

In feudal Poland lands surrounding Ostaszewo belonged to the Ostoja-Ostaszewski family whose main branch resided in Ostaszewo Wielkie (in Medieval Latin: Ostaszewo Magna).

According to historical records in the AGAD Archives in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

, the following representatives of the Ostoja-Ostaszewski

Ostoja-Ostaszewski

Ostoja-Ostaszewski of the Clan of Ostoja is a Polish noble family. It owned lands in Austrian Galicia, including family palace and gardens in Wzdow....

 family were the owners of Ostaszewo Wielkie in 15th-18th centuries:

1. Scibor (Stibor) of Ostaszewo - his name appears in local registers of 1446
2. Pawel of Ostaszewo - his name appears in local registers of 1474
3. Scibor Ostaszewski, son of Pawel of Ostaszewo - his name appears in local registers of 1512
4. Pawel Ostaszewski, son of Scibor Ostaszewski, married to Anna Golocka - his name appears in local registers in 1552
5. Adam Ostaszewski, son of Pawel Ostaszewski and Anna Golocka, married in 1604 to Eufemia Karniewska
6. Franciszek Ostaszewski, son of Adam Ostaszewski and Eufemia Karniewska, in 1658 Treasurer of the Ciechanów
   Ciechanów
   Ciechanów is a town in north-central Poland with 45,900 inhabitants . It is situated in Masovian Voivodeship . It was previously the capital of Ciechanów Voivodeship.-History:The grad numbered approximately 3,000 armed men....
   
    District, married to Helena Mlocka
7. Wojciech Ostaszewski, elder son of Franciszek Ostaszewski and Helena Mlocka, in 1681 Treasurer of the Ciechanów
   Ciechanów
   Ciechanów is a town in north-central Poland with 45,900 inhabitants . It is situated in Masovian Voivodeship . It was previously the capital of Ciechanów Voivodeship.-History:The grad numbered approximately 3,000 armed men....
   
    District, married to Katarzyna Brodzka
8. Jacek Ostaszewski, younger son of Franciszek Ostaszewski and Helena Mlocka, married in 1681 to Magdalena Kuklinska
9. Felicjan Ostaszewski, son of Wojciech Ostaszewski and Katarzyna Brodzka, in 1767 Treasurer of the Braclaw District
10. Antoni Ostaszewski, born in 1696, died in 1775, son of Jacek Ostaszewski and Magdalena Kuklinska, in 1755 Treasurer of the Nur District, married to Barbara Dunin Mieczynska
11. Franciszek Ostaszewski, son of Antoni Ostaszewski and Barbara Dunin Mieczynska, married to Magdalena Luboradzka
12. In 1771 Franciszek Ostaszewski sold the lands of Ostaszewo Wielkie to Antoni Zielinski, Steward of the Zawkrze District.