Civil Code (Cap. 16), article 804

804. (1) In the collateral line, representation is allowed in favour of children and descendants of brothers or sisters of the deceased, whether such children or descendants take with their uncles or aunts, or whether, all the brothers and sisters of the deceased having predeceased him, the succession devolves to their descendants in unequal degrees. (2) If the children or descendants of brothers or sisters stand in equal degree, they shall all take per capita, without representation. Partition per stirpes and per capita.