Child of their parent's sesqui-first cousins or are the child of their parent’s half-first cousin with their other parent’s first cousin.
My sesqui-second cousin is a good person.
by Mr. Jacov November 23, 2019
Get the sesqui-second cousinmug. 
Get the Second-hand Cigarettemug. by mason2smoll March 25, 2022
Get the louie the secondmug. by Sorbate September 21, 2020
Get the Doge-secondmug. by Hentacle January 9, 2020
Get the Seven second warriormug. Sesquaple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and seven great-grandparents in common.
My sesquaple-second-cousin is a good person.
by ZYRB3256 February 21, 2022
Get the sesquaple-second-cousinmug. by Hgcloziw November 23, 2019
Get the second cousin-niecemug.