Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Muna March 1887 Planck akaroora Marie Merck (1861<unk>1909), hanzvadzi yomumwe waaidzidza naye kuchikoro, uye vakatamira naye mufurati muKiel. Vaiva nevana vana: Karl (1888<unk>1916), mapatya Emma (1889<unk>1919) naGrete (1889<unk>1917), naErwin (1893<unk>1945).  Mubvunzo: Planck naMerck vaiva navana vangani pamwe chete?
mana