1355 beseglede sk°de til Kong Valdemar
ERIK NIELSEN, the Knight, was distinguished and was evidently the "Erichs" of
German history . . . as recorded in "Hellbach", who, 1325, visited the Pope
(John 22? in Rome); received from him a rosary, or Rose-wreath, which he added to
his coat of arms and took the name of Rosenkrantz. In Danish records, Erik, the
Knight, was the first in Denmark to use a seal, or coat of arms, 1335, while his
brother Jenseller Johannis, usally called John Nielsen, used a coat of arms (Lion
and Shield) 1377, and his brother Iver, 1378. . . Erik's must have been a helm,
since after adding to it the Rose-wreath it is said to have been "upon the helm a
wreath of Red and Silver Roses."
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http://www.rosenkrantz-genealogy.org/
Erik Nielsen, also known as Erik the Knight. Erik was awarded a wreath of roses by the Pope in 1325 A.D., which he adopted as his family crest. Erik's crest appears at the top of this page (embellished somewhat with Adobe Illustrator and Adobe Photoshop.) Erik's brother Johannis Jenseller's crest featured a lion. No crest is known to be associated with the third brother, Iver Neilsen.
Whether there is any truth to this legend we don't know. I received an e-mail from a gentleman in Denmark who is associated with the present day family and who says this story isn't true. The fourth chapter in Allen's book ("Europe") which pupublishes the correspondence and analysis reports in two places that Erik traveled to Rome to receive a rosary from the Pope that he used as the basis for his family crest. Chapter five ("Summary") simply notes that he visited the Pope to receive a rosary.
The last major crusade to the Holy Land ended in in the 1270's, long before the time Erik would have been born, so it is not likely that this is why he received the rosary from the Pope. There were some attempts to start a new crusade which never got off the ground and some skirmishes in Europe at that time that were called "crusades," but they were never directed at the Holy Land.
Unlike the Holy See of today, in that era the Vatican was a very secular organization that contended for territory, wealth, and power with other secular rulers in Europe. It seems more likely then, that if Erik was indeed awarded a rosary by the Pope, it was more of a diplomatic move by a Pope who was trying to build alliances during the political and power struggles occurring at that time.
Pope Clement V (1305 - 1314) moved the Curia from Rome to Avignon in southern France in 1309 because of pressure from Philip IV of France as well as major turmoil in Rome. This was the beginning of the almost 70 years of "Babylonian Captivity" of the papacy in Avignon. The struggle for power continued between Philip V who became King in 1916 and Pope John XXII (1316 - 1334.) So if Erik did indeed receive a rosary from the Pope in 1325, he probably traveled to Avignon, not Rome, to receive it.
It is also possible that Erik could have been a member of the Knights Templar. They had long since returned from the Holy Land and were very wealthy and powerful, having used their money for banking ventures. The Knights Templar in France were arrested in 1307 by Philip IV without warning, and under torture some of them admitted to heresy and were executed. The underlying reason for this was that Philip IV coveted their money. Clement V was pressured into dissolving the order, and in other places they were pensioned off and dismissed.
http://www.rosenkrantz-genealogy.org/Book/Book.htm
Though Erik Rosenkrantz took the name 1325, it was not adopted by the entire Noble Family until two hundred years later, as family names had not then become fixed in Scandinavian, nor till centuries later. As stated in formation of names and in letter 15, the name of the father ended with the son, thus changing every generation (15). To improve this condition of things, the King of Denmark, 1524, after consultation with the leading Noble Families, issued a proclamation that all the Noble Families should take family names to be entered upon the public records (15). This included Norway, which was subject to the Crown of Denmark, having become so 1397 through the inheritance of Queen Margaret.
In compliance with this demand, it is said that the descendants of Niels Iversen of 1308, after consulting together in 1525, adopted the name Rosenkrantz from the Rose-wreath on their coat of arms (15), but the Rose-wreath could have been found only with the descendants of Erik Rosenkrantz, since his brothers seals did not contain it (15). The fact that Erik Nielsen, Knight, adopted the name, as reported from Germany (20) seems not to have been recorded elsewhere, as the reports from Norway, Sweden and Denmark make no mention of the name till after its adoption by the family 1525.