The third line is known as a transversal.
Prince Christian XI is or was second-in-line to the Danish throne.
There are two national flags for which this fits the description - the national flags of Lithuania, whose stripes are horizontal, and Guinea, whose stripes are vertical.
The third line of defence against pathogens is called the Specific Immune Responce
Negative 0.2
Prince Henry of Wales
As of September 2021, the third in line of succession to the British throne is Prince George, son of Prince William and Catherine, Duchess of Cambridge.
Prince William is second in line to the British throne, after his father, Prince Charles. See the related question link below.
The news reports are correct. The newborn son to Prince William and Kate Middleton is third in line for the throne. He will succeed his father, Prince William who will succeed his father Prince Charles. Prince Charles will take the throne when the Queen passes away.
Harald Hardradas, was the youngest brother of King Olaf, and the third in line for the throne ,
Prince Harry, after his brother, Prince William, who is after his father, Prince Charles.
Prince George, son of Prince William. Prince William, now second in line, is the son of Crown Prince Charles who is first in line.
As of September 2021, Prince Louis of Cambridge, the third child of Prince William and Catherine, Duchess of Cambridge, is fifth in line to the British throne.
Currently it is Prince Harry until William has a child
Prince William is second in line for the throne, after his father Prince Charles.
Princess Anne is the last child in line to the throne 2011
err.. They're not. The Queen's son, Prince Charles is the next to inherit the throne. Her grandsons (Charles's sons), William and Harry, are second and third in line.