من تزوج Пётр Николаевич؟

Великий князь Пётр Никола́евич (10 [22] января 1864, Санкт-Петербург — 17 июня 1931, Антиб, Третья французская республика) — второй сын великого князя Николая Николаевича (старшего), внук Николая I. Генерал-лейтенант и генерал-адъютант русской армии.

Princess Milica Petrović-Njegoš of Montenegro, also known as Grand Duchess Militza Nikolaevna of Russia, (14 July 1866 – 5 September 1951) was a Montenegrin princess. She was the second eldest daughter of King Nicholas I Petrović-Njegoš of Montenegro and his wife, Queen Milena. Milica was the wife of Grand Duke Peter Nikolaevich of Russia, the younger brother of Grand Duke Nicholas Nikolaevich of Russia, whose wife was Milica's sister, Princess Anastasia of Montenegro.