+--Antoine Auguste PIERRET  (2 MAY 1856-8 NOV 1920)
+--Henry PIERRET  (10 MAY 1882-10 MAR 1974)
|  |        +--Johan Gottelmind RUFFER  (-15 NOV 1797)
|  |     +--Christian Trangott RUFFER  (-UNKNOWN)
|  |     |  +--Anna-Rosina GRABSIN  (-UNKNOWN)
|  |  +--Alphonse Charles Jacques Alexandre RUFFER  (15 DEC 1819-14 APR 1896)
|  |  |  |  +--Georges Guillame GERLACH  (-UNKNOWN)
|  |  |  +--Jeanne Sophie Wuilhelmina GERLACH  (20 SEP 1798-8 DEC 1879)
|  |  |     +--Madelaine BRATSCHI  (-UNKNOWN)
|  +--Anna RUFFER  (2 MAY 1856-4 AUG 1947)
|     |  +--Johan Erhard Peter PRIEGER  (17 SEP 1792-4 MAY 1863)
|     +--Caroline PRIEGER  (23 OCT 1826-17 SEP 1890)
|        +--Maria Philippine ACQUA  (-UNKNOWN)
Yvonne PIERRET  (-1992)
+--Aimee VAUDEE  (-UNKNOWN)