It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that Sayyiduna Umar (may Allah be pleased with him) made a bequest in favor of Umm al-Mu'mineen Sayyidah Hafsah (may Allah be pleased with her).
Hadith Referenceسنن دارمي / من كتاب الوصايا / 3329