Three stocks appear well on their way to becoming Dividend Kings: Chevron (CVX -0.46%), Enbridge (ENB -1.65%), and Realty Income (O 0.04%). With more dividend growth ahead, these higher-yielding stocks are excellent choices for those seeking to generate a steadily rising stream of passive income. A high-octane dividend stockEarlier this year, Chevron extended its dividend growth streak to 38 consecutive years -- the oil sector's second-longest. With a breakeven level at about $30 per barrel, Chevron can generate substantial cash flow even when oil prices are low. Steadily moving toward the throne roomChevron, Enbridge, and Realty Income stand out as likely future Dividend Kings.