1Persons who, between them or to any of the parties in a trial, are spouses, cohabitants, close kinship (antecedents, descendants, brothers, sisters, uncles, aunts, nephews, nieces, children of sisters and brothers) or close in-laws (mother-in-law, father-in-law, son-in-law, daughter-in-law, sister-in-law, brother-in-law, stepson, stepdaughter, stepmother, stepfather) may not participate as judges in the same proceeding.