Mishmar HaShlosha (Hebrew: משמר השלושה) (lit.

[1][2] Mishmar HaShlosha officially became part of Yavne'el in 1953.

The moshav was founded on 13 April 1937 on lands purchased by the Palestine Jewish Colonization Association.

It was a Tower and stockade settlement, established to populate the area between Beit Gan and Yavne'el.

[3][4][5] The village was named for three residents of Yavne'el, Moshe Zalman Ben-Sasson, Yehuda Aliovic and Gedaliah Geller, who on March 14, 1937 walked from Beit Gan towards Yavne'el and were murdered by Arabs on the way.