Question: Information: - Margaret Sambiria, in Danish: "Margrethe Sambiria" or "Sambirsdatter," (1230?1282) was the Queen consort of Christopher I of Denmark, and acted as regent for Eric V of Denmark. In Danish she is also known as queen "Margrethe Sprnghest". - A queen consort is the wife of a reigning king (or an empress consort in the case of an emperor). In Brunei, the wife of the Sultan is known as a "Raja Isteri" with prefix "Pengiran Anak", equivalent with queen consort in English, as were the consorts of tsars when Bulgaria was still a monarchy. A queen consort usually shares her husband's social rank and status. She holds the feminine equivalent of the king's monarchical titles, but historically, she does not share the king's political and military powers. A queen regnant is a queen in her own right with all the powers of a monarch, who (usually) has become queen by inheriting the throne upon the death of the previous monarch. - Holstein (Northern Low Saxon: "Holsteen", , Latin and historical ) is the region between the rivers Elbe and Eider. It is the southern half of Schleswig-Holstein, the northernmost state of Germany. - The Elbe (; Low German: "Elv") is one of the major rivers of Central Europe. It rises in the Krkonose Mountains of the northern Czech Republic before traversing much of Bohemia (Czech Republic), then Germany and flowing into the North Sea at Cuxhaven, northwest of Hamburg. Its total length is . - A queen dowager, dowager queen or queen mother (compare: princess dowager, dowager princess or princess mother) is a title or status generally held by the widow of a king. In the case of the widow of an emperor, the title of empress dowager is used. Its full meaning is clear from the two words from which it is composed: queen indicates someone who served as queen consort (i.e. wife of a king), while dowager indicates a woman who holds the title from her deceased husband. (A queen who rules in her own right and not due to marriage to a king is a queen regnant.) - Eric V Klipping ( 1249 -- November 22 , 1286 ) was King of Denmark ( 1259 -- 1286 ) and son of Christopher I. Until 1264 he ruled under the auspices of his mother , the competent Queen Dowager Margaret Sambiria . Between 1261 and 1262 , Eric was a prisoner in Holstein following a military defeat . Afterwards , he was brought up in Brandenburg . - Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Dusseldorf. - Brandenburg (Lower Sorbian: "Bramborska") is one of the sixteen federated states of Germany. It lies in the northeast of the country covering an area of 29,478 square kilometers and has 2.48 million inhabitants. The capital and largest city is Potsdam. Brandenburg surrounds but does not include the national capital and city-state Berlin forming a metropolitan area. - Christopher I (1219 29 May 1259) was King of Denmark between 1252 and 1259. He was the son of Valdemar II of Denmark by his wife, Infanta Berengaria of Portugal. He succeeded his brothers Eric IV Plovpenning and Abel of Denmark on the throne. Christopher was elected King upon the death of his older brother Abel in the summer of 1252. He was crowned at Lund Cathedral on Christmas Day 1252. What is the relationship between 'eric v of denmark' and 'christopher i of denmark'?
Answer:
father