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Jadwiga Kaczynska, mother of twins who served as Poland’s leaders, 86

WARSAW — Jadwiga Kaczynska, the mother of the late President Lech Kaczynski and his identical twin brother Jaroslaw — an unusual political duo who shaped public life in Poland for many years — has died. She was 86.

Ms. Kaczynska’s death Thursday was announced by Law and Justice, the conservative party led by Jaroslaw Kaczynski. The cause of death was released but Ms. Kaczynska had been ill for several years.

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The sons were openly attached to their mother and credited her with playing a strong role in shaping their political views and decisions.

For a time the two held the country’s top political jobs simultaneously — as prime minister and president — and she appeared sometimes with them at ceremonial events. The closeness of the family was also a way they expressed attachment to traditional, Roman Catholic family values.

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