As the excavated costumes from the unknown tomb of the Joseon Dynasty were unearthed, estimating the age of the costumes became very important. This research investigat and estimates the age of the excavated costumes from Couple`s Tomb for Lee General in Seosan, Chung-nam. By inspecting and analyzing the costumes, the features can be compared with other similar costumes that have been excavated from other tombs. The result of this study is as follows: First, the period with dopo, cheolrik, jungchimak, and baji for females among the relics of General Lee can be estimated. For dopo, there are morphometric features such as the shape of moo; for cheolrik, there is a ratio of top and bottom; for jungchimak, there is a ratio of width of arm and skit and a ratio of side tim, total length, etc. By comparing relics of same period, it can be estimated to be from the late 16 century around the Japanese invasion of Korea to the early 17 century. Second, the period with jangui and jeogori among the relics of Couple's Tomb for General Lee can be estimated. By comparing jangui with the arm and width of sleeves, and by comparing jeogori and the shape of the collar, arm, length, etc., with other relics identical to the period, it can be estimated to be from the late 16 century around the Japanese invasion of Korea, which is a similar date to the one with the husband to the early 17 century.