A person in the Song

The old man's name was Lü Yijian. He was a scholar of the Song Dynasty, serving as the Right Assistant Minister of the Secretariat and Grand Scholar of the Imperial Academy. He was also known as the Duke of Shen.,Here's the translation of your provided text, keeping in mind that I only translate the content within the tags and leave the HTML as is:,Let me know if you have any other text you'd like me to translate!。