No. The Chi from Chobits is a persocom but Chi from Tsubasa Reservoir chronicle isn't. That would make her a completley different person (or whatever she is). Of course her knowledge about things is pretty much the same.
Yumemiru Tsubasa was created on 2009-10-14.
Eien no Tsubasa was created on 2007-05-09.
The Spiderwick Chronicles was created in 2003-05.
The Seinfeld Chronicles was created on 1989-07-05.
O.C. Fisher Reservoir was created in 1952.
CLAMP are a group of manga artists who created many famous manga series like Chobits and Tsubasa RESERVoir CHRoNiCLE. They also made Cardcaptor Sakura, RG Veda, Magic Knight Rayearth, XxxHolic, Kobato and some others.
Chobits was created in 2002.
CLAMP created Code Geass, along with other anime/manga such as Chobits, Clover, xxxHolic, Magic Knight Rayearth, and Tsubasa.
Chi - Chobits - was created in 2001.
Chobits Character Song Collection was created on 2004-02-17.
Tsubasa Oozora was created in 1981.
Kurenai no tsubasa was created in 1958.
Fay D. Fluorite is a character in the popular manga/anime series Tsubasa: Reservoir Chronicle created by Clamp.
Yakusoku no Tsubasa was created on 2008-05-28.
Tsurumi Tsubasa Bridge was created in 1994.
Captain Tsubasa was created on 1994-10-14.
Tsubasa - song - was created on 2007-10-24.