Complex sentence: The Tatars, on their way to Tuchów (22 kilometers North-East of Siemiechów) during the Tatar invasion of 1241, murdered seven monks ("siedem mnichów ") among other people and the origin of the name"Siedmichów" came from this.
Split into simpler sentences: The Tatars, on their way to Tuchów (22 kilometers North-East of Siemiechów) during the Tatar invasion of 1241, murdered seven monks ("siedem mnichów "), among other people. The origin of the name"Siedmichów" came from this.