The nearly 350-year-old mizar in Zastawek reminds us of the Tatars who lived in the Bug and Krzna rivers areas in the first half of the XX century. In 1679, King Jan III Sobieski granted these lands to the Tatar officers as a payment of outstanding pay for the service of the Commonwealth. They had their own religious community with a mosque and a cemetery in Studzianka, the no longer existing cemetery in Małaszewicze, and a cemetery in Lebiedziewo-Zastawek. On the latter, over 50 tombstones from the XVIII-XX centuries have been preserved. Some of them have legible inscriptions in Polish, Russian or Arabic. Noticeable, regular arrangement of graves was modeled on the ritualistic pattern of Muslims praying in a mosque.