Steven Seagal's New Accuser -- Ray Charles Connection

The Steven Seagal alleged sexual assault scandal now has a Ray Charles connection ... TMZ has learned one of the women who just came forward accusing Seagal of making unwanted sexual advances is Ray's granddaughter.

As we first reported, two new women have given sworn declarations to back up Kayden Nguyen's lawsuit against the star. One is Blair Robinson -- who claims she first met Seagal at her granddaddy Ray's funeral in 2004.

According to Robinson, she was invited to Seagal's home after the funeral -- along with her father Ray Charles Jr. -- to discuss a job opportunity with the actor.

In the declaration, Blair claims she took a job as Seagal's assistant one month after the meeting -- but on day 1, she claims Seagal came to her room and told her she was required to give him massages. In the docs, Blair also claims Seagal tried teaching her the proper method by massaging her.

In the docs, Blair states, "It became clear to me that he wanted and expected sexual favors as part of my job duties." Blair claims she quit after the first day.

Seagal's lawyer, Marty Singer, vehemently denies the accusations and claims Seagal has "no knowledge" of either Blair or the other woman who provided declarations.