May stepsiblings get married to each other

May stepsiblings[1] get married to each other:[2]

There is no Halachic restriction against stepsiblings getting married to each other being that they have no biological relation.[3] Nonetheless, based on the writings of Rebbe Yehuda Hachassid, one should not do so.[4] [However, there is no issue with a person marrying the parent of their child’s spouse, and hence if one’s son married a certain woman, there is no issue with him then marrying her mother.[5] Furthermore, some are lenient in this matter all-together.[6]]

 

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[1] i.e. a stepson and stepdaughter one belonging to the remarried father and one belonging to the remarried mother

[2] See Sefer Shemiras Haguf Vihanefesh [Lerner] 178

[3] See Michaber E.H. 15:11 and 23; Yevamos 21a; Bach  E.H. 15; See however Sotah 43b, Yerushalmi Yevamos 21a

[4] Tzavah Rebbe Yehuda Hachassid 29; Sefer Chassidim 477; 379;

[5] Mili Dechassidusa 34; Shivim Temarim on Tzavah ibid; Pnei Chaim E.H. 5; Sefer Shemiras Haguf Vihanefesh [Lerner] 178:2

[6] Mili Dechassidusa 34