Wedding ceremony of Nicholas & Alexandra —
Photo Credit: By Laurits Tuxen - Hermitage Museum, Public Domain, https://commons.wikimedia.org/w/index.php?curid=2303766

Tsar Nicholas with his family — (left to right): Olga, Maria, Nicholas II, Alexandra Fyodorovna, Anastasia, Alexei, and Tatiana. Livadia Palace, 1913.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=2907639

Princess Alix of Hesse and by Rhine when she was a child —
Photo Credit: By Carl Backofen - Royal Collection RCIN 2926896, Public Domain, https://commons.wikimedia.org/w/index.php?curid=30753885

Princess Alix when she was 15 —
Photo Credit: By Carl Backofen - Public Domain, https://commons.wikimedia.org/w/index.php?curid=23853496

Grand Duke Ludwig IV of Hesse and by Rhine. Hesse, Darmstadt, German Empire, 1878 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=8885432

Princess Elisabeth of Prussia —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=3924172

Prince Wilhelm of Prussia 1783 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=1522710

Princess Alice of the UK in 1861 —
Photo Credit: By Franz Xaver Winterhalter - Royal Collection RCIN 404579 Winterhalter and the courts of Europe, Public Domain, https://commons.wikimedia.org/w/index.php?curid=2426762

Tsar Nicholas II —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=93387407

Tsar Alexander III —
Photo Credit: By Sergey Lvovich Levitsky - Royal Collection, Public Domain, https://commons.wikimedia.org/w/index.php?curid=76051121

Tsar Alexander II —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=69256447