The butler said, "I remember, this L was someone your father, Young Master Gu, brought back from outside back then. He seemed to be an illegitimate child of a prominent family, but his mother's status was too low, and the legitimate wife was quite shrewd, so L couldn't enter that family. Mr. Gu saw potential in him and kept him to nurture. He didn't disappoint Young Master Gu. Later, Gu Shaocheng arranged for him to be Miss Qianxi's personal bodyguard until that one time, when Gu Shaocheng went out for business and took L with him, but they never returned. It is said that L has disappeared from this world, but unexpectedly, he is still alive..."
The records in the dossier were much like what the butler recounted. The words Chao Lu were taken from his parents' surnames. From the time his father kept him close, he used L to replace his name.
From the dossier, it seems credible.
But a DNA match is still needed;
