<sod >Behind them came Lara Trump and her husband Eric, the president's second son On their way to their seats: Vanessa and Donald Trump Jr brought their eldest daughter Kai, while Tiffany Trump was accompanied by her boyfriend Ross Mechanic  Stand for opening: Donald Trump, his wife Melania, and Vice-President Mike Pence and his wife Karen stood in the front row awaiting the opening hymn Ready for prayer: The First Family and the Vice President and his wife stood waiting for the interfaith clergy to process down the aisle Serious business: The First Lady wore a black belted coat for the service and walked in hand-in-hand with the President On his way: The President and First Lady walked through the nave of the cathedral towards their seats  Family prayers: Ivanka Trump arrived holding her daughter Arabella by the hand, while her husband Jared Kushner carried their younger son Theodore in his arms and held Joseph's hand Ready for prayer: Ivanka Trump took Arabella to their seat on the opposite side of the cathedral for the service from the president and first lady's seats while Joseph seemed to need some persuasion not to head towards the other side Patriotism: The President led the congregation is standing to attention and singing the National Anthem Star-spangled banner: President Trump glances to his right as the congregation sing the National Anthem Ceremony: President Trump and his first lady turned as the procession of clergy, led by the National Cathedral Choir, passed them Fist bump: The President greeted Baptist Rev.< eod>< sod > Behind them came Lara Trump and her husband Eric, the president's second son On their way to their seats: Vanessa and Donald Trump Jr brought their eldest daughter Kai, while Tiffany Trump was accompanied by her boyfriend Ross Mechanic  Stand for opening: Donald Trump, his wife Melania, and Vice-President Mike Pence and his wife Karen stood in the front row awaiting the opening hymn Ready for prayer: The First Family and the Vice President and his wife stood waiting for the interfaith clergy to process down the aisle Serious business: The First Lady wore a black belted coat for the service and walked in hand-in-hand with the President On his way: The President and First Lady walked through the nave of the cathedral towards their seats  Family prayers: Ivanka Trump arrived holding her daughter Arabella by the hand, while her husband Jared Kushner carried their younger son Theodore in his arms and held Joseph's hand Ready for prayer: Ivanka Trump took Arabella to their seat on the opposite side of the cathedral for the service from the president and first lady's seats while Joseph seemed to need some persuasion not to head towards the other side They began their first day in office with a church service, too, at St. John's, near the White House and the presidential guest house Trump spent his final night as president-elect in.< eod>