Prince Philip, Duke of Edinburgh prince consort of Queen Elizabeth II was born Philip, Prince of Greece and the Hellenes. Prince Philip is the son of Prince and Princess Andrew of Greece. Philip's father, Prince Andrew, was the son of a prince of Denmark and was later the {elected} King of the Hellenes. Queen Olga of Greece, a Grand Duchess of Russia, and direct descendent of Emperor Nicholas I of Russia, was Philip's grandmother.
Philip's mother, born Princess Alice of Battenburg, is the daughter of Victoria of Hesse and by the Rhine, elder sister to Alix, who became the wife of the last Tsar of Russia, Nicholas II. The Hessian sisters, (Alix) and Victoria, (Philips maternal grandmother) were granddaughters of Queen Victoria, 1819 r. 1837-1901. It is to be noted that all descendants of Queen Victoria and Prince Albert have a Victoria or Albert or variation of tucked somewhere in their already lengthy names and titles. E.g., Philips mother was Alice Victoria Alberta of Battenburg. (During World War I the Battenburg titular courtesy was (voluntarily) given up by Philip's grandfather, Prince Henry of Battenburg, for the more British Mountbatten. Mountbatten-Windsor is the surname the Queen (Elizabeth II) chose for descendants of Herself and Prince Philip.
If the reader has further interests in European royal genealogy to simply ask any search engine for: Queen Victoria/King Christian IX of Denmark descendants (of).
Prince Phillip is great nephew of Tsarina Alexandra, wife of Czar Nicholas II and Grand Duchess of Russia. Prince Phillip's maternal grandmother Victoria (not Queen Victoria) and Tsarina Alexandra were sisters. Prince Phillip is also related to the Russian Grand Duchess because she was the granddaughter of Queen Victoria and Prince Phillip is the great great grandson of Queen Victoria. When the grave of the Czar's family was unearthed and examined in 1991, it was Prince Phillip's DNA that was used and found to be an exact match in determining that the remains were those of the Russian Royal family.