It is narrated from Ibn Umar (may Allah be pleased with him) that Umar bin Khattab (may Allah be pleased with him) was given ghusl, was shrouded, and the funeral prayer was also offered for him.
Hadith Referenceمسند الإمام الشافعي / كتاب الجنائز / 562
Hadith Takhrijاسناده صحیح اخرجه البيهقي في المعرفة السنن والآثار، رقم: 2102 ۔ وعبدالرزاق، رقم: 6577 ۔ وابن ابی شيبة (11969)۔