As former U.S. President Jimmy Carter's funeral got underway, former presidents and first ladies were seen greeting each other before heading to their seats — but some pointedly avoided the Trumps

Trump is obviously no fan of Biden, but Obama and his veep also have a famously complex relationship, only made more so after Obama helped nudge Biden to quit the presidential race last summer. Surely Obama feels some frustration that Biden fumbled a possibly winnable race; maybe he couldn’t help spill to his sworn enemy?

Obama, who attended without his wife, Michelle, shared a second-row pew with former presidents George W. Bush and Bill Clinton, along with their spouses. President Joe Biden and first lady Jill Biden arrived last and sat in the pew just in front of them.