Arbre d'ascendance:
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Harvey Percy Readett Frères et sœurs Johanna Louise Eckermann Heinrich William Eckermann Carl Theodor Eckermann Theodor Gustav Eckermann Emilie Louise Eckermann Alwine Hedwig Eckermann Maria Augusta Eckermann Emma Meta Eckermann Edmund Wilhelm Eckermann Johanna Wilhelmina Eckermann Christoph Carl Eckermann |