Vilibald Plaček second from the left, after shooting out of the Victory February Mine, colleagues in civilian clothes waited on the surface after the night shift and went together to celebrate the mining record, Ostrava in the 1970s

Vilibald Plaček on the left with his family, seated mother Marie and father Alois, Darkovičky mid 70s

Vilibald Plaček with his wife Margareta in the ceremonial hall of the National Council, wedding picture, Hat' 1961

Vilibald Plaček with his wife Margareta in St. Matthew's Church, wedding picture, Hat' 1961

Group photograph of one of the working teams of the Vítězný únor mine, Ostrava 1962

Vilibald Plaček under number 15, group photo from the Victory February Mine, Ostrava 1962

Vilibald Plaček during his military service with his mother Maria, Hať 1958

Vilibald Plaček on the right, building a house, late 1960s

Vilibald Plaček with his granddaughter Lucie, 1987

Father Josef Matuška in the third row, seventh from the right, during his military service in the Czechoslovak Army in 1924

Construction in Kiel harbour in 1941. Father Josef Matuška standing in the middle in the gates

Mother Gertruda Matušková with father Josef in Wehrmacht uniform during World War II

Father Josef Matuška during military basic service in the Czechoslovak Army in 1924

Brother of Jan Sládek's grandfather Franz Sládek in Prussian uniform in World War I

Father Josef Matuška, left, with a colleague in a room in Kiel in 1941

Father Josef Matuška on the left in the harbour of Plön on May 1, 1941

Construction in Kiel harbour in 1941

Construction in Kiel harbour in 1941

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Margaretha, 1941

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Návštěva Československa, 80. léta

In the front row, second from the left, grandmother Anna Sládková, née Kostelníková, on her 80th birthday