Kane's fate follows a plane crash that saw her to be presumed dead in the second season. As many have noted, the Jewish nature of the funeral was considerably overt. Rather than being buried in a typical ornate and cushioned coffin, Kane was laid to rest in a simple wooden coffin, marked only with a single Star of David.
The mourners also recited Jewish prayers and were all seen wearing kippot on their heads.
While Halacha dictates that Jews are required to be simply buried into the ground without a coffin, US law requires the use of coffins. As such, most Jews lay themselves to rest in just wooden coffins so they will biodegrade naturally, rather than decay and rot in a coffin made of non-biodegradable materials.
Judaism has always been an integral part of Kane's character since her debut in the comics in 2006. Since then, she has been a trailblazer in DC Comics as one of the most prominent Jewish and lesbian superheroes.
But what often goes overlooked is that not only is Kane Jewish, but she is also the maternal cousin to Bruce Wayne, also known as one of DC's most iconic superheroes, Batman (as in, her father is the brother of Batman's mother, Martha).
The implications of this revelation means that not only is Batwoman Jewish, but so too is Batman, by virtue of having a Jewish mother (traditionally, halachic authorities have considered Judaism to be inherited matrilineally, meaning if one's mother is Jewish, so are they).
Jewishness, however, has largely been left out of Batman's depictions in the comics, with the character having been depicted in the past as a lapsed Episcopalian.