+--Sebastian KOCH +--Johann Friedrich KOCH (10 FEB 1766-30 DEC 1822) +--Adam Wilhelm KOCH (18 JUN 1800-16 MAR 1853) | +--Anna Katharina SACHS (08 MAR 1767-24 MAR 1831) Margarethe Auguste KOCH (10 NOV 1852-22 JAN 1879) | +--Gottfried PETER +--Anna Maria PETER (01 JAN 1812-) +--Johanne Dorothea PFANNSTIEL (19 MAR 1782-24 MAR 1841)