SEOUL, Jan 10 (Reuters) - The mother and two sisters of Samsung Electronics Chairman Jay Y. Lee plan to sell shares in the tech giant in a block deal seen worth 2.19 trillion won ($1.66 billion), the Seoul Economic Daily reported on Wednesday.

Samsung Electronics did not have an immediate comment. ($1 = 1,318.5800 won) (Reporting by Joyce Lee, Editing by Louise Heavens)