Family Reconstruction of Krummhoern (East Friesland), 1720-1874

I. Family table (level 1): Family ID; case reporting (copulation - marriage, proclamation, engagement, illegitimate liaison); date of birth (date of marriage or date of the...一、一级家族表（Family table）：包含家族标识符（Family ID）、案件记录（涵盖两性结合——婚姻、婚姻宣告、订婚、非婚恋情）、出生日期（或结婚日期，或……）